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Robert Nicholas

Research Profile

Chemicals & Drugs

Genes & Molecular Sequences

Amino Acid Sequences

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Publications

TOP 3
D Ross DuBose; Izabela Naruszewicz; Aidong Qi; Samuel C Wolff; Robert A Nicholas
Apical targeting of the P2Y(4) receptor is directed by hydrophobic and basic residues in the cytoplasmic tail.
Alena Fedarovich; Robert A Nicholas; Christopher Davies
The role of the β5-α11 loop in the active-site dynamics of acylated penicillin-binding protein A from Mycobacterium tuberculosis.
Joshua Tomberg; Brenda Temple; Christopher Davies; Alena Fedarovich; Robert A Nicholas
A highly conserved interaction involving the middle residue of the SXN active-site motif is crucial for function of class B penicillin-binding proteins: mutational and computational analysis of PBP 2 from N. gonorrhoeae.

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All Publications

2013: D Ross DuBose; Izabela Naruszewicz; Aidong Qi; Samuel C Wolff; Robert A Nicholas
Apical targeting of the P2Y(4) receptor is directed by hydrophobic and basic residues in the cytoplasmic tail.
American journal of physiology. Cell physiology 2013;304(3):C228-39.
2012: Alena Fedarovich; Robert A Nicholas; Christopher Davies
The role of the β5-α11 loop in the active-site dynamics of acylated penicillin-binding protein A from Mycobacterium tuberculosis.
Journal of molecular biology 2012;418(5):316-30.
2012: Joshua Tomberg; Brenda Temple; Christopher Davies; Alena Fedarovich; Robert A Nicholas
A highly conserved interaction involving the middle residue of the SXN active-site motif is crucial for function of class B penicillin-binding proteins: mutational and computational analysis of PBP 2 from N. gonorrhoeae.
Biochemistry 2012;51(13):2775-84.
2012: Alena Fedarovich; Robert A Nicholas; Yuri K Peterson; Shauna M Swanson; Kevin A Djordjevic; Christopher Davies
High-throughput screening for novel inhibitors of Neisseria gonorrhoeae penicillin-binding protein 2.
PloS one 2012;7(9):e44918.
2011: Venkatesh V Nemmara; Robert A Nicholas; Suara A Adediran; Colette Duez; Liudmila Dzhekieva; Kumar Subarno Sarkar; Rex F Pratt
Substrate specificity of low-molecular mass bacterial DD-peptidases.
Biochemistry 2011;50(46):10091-101.
2011: Ali El-Tayeb; Robert A Nicholas; Aidong Qi; Christa E Müller
Structural modifications of UMP, UDP, and UTP leading to subtype-selective agonists for P2Y2, P2Y4, and P2Y6 receptors.
Journal of medicinal chemistry 2011;54(8):2878-90.
2011: Aidong Qi; Dayle Houston-Cohen; Isabella Naruszewicz; T Kendall Harden; Robert A Nicholas
Ser352 and Ser354 in the carboxyl terminus of the human P2Y(1) receptor are required for agonist-promoted phosphorylation and internalization in MDCK cells.
British journal of pharmacology 2011;162(6):1304-13.
2010: George Nicola; Joshua Tomberg; R F Pratt; Robert A Nicholas; Christopher Davies
Crystal structures of covalent complexes of β-lactam antibiotics with Escherichia coli penicillin-binding protein 5: toward an understanding of antibiotic specificity.
Biochemistry 2010;49(37):8094-104.
2010: Joshua Tomberg; Magnus Unemo; Christopher Davies; Robert A Nicholas
Molecular and structural analysis of mosaic variants of penicillin-binding protein 2 conferring decreased susceptibility to expanded-spectrum cephalosporins in Neisseria gonorrhoeae: role of epistatic mutations.
Biochemistry 2010;49(37):8062-70.
2010: Samuel C Wolff; Ai-Dong Qi; T Kendall Harden; Robert A Nicholas
Charged residues in the C-terminus of the P2Y1 receptor constitute a basolateral-sorting signal.
Journal of cell science 2010;123(Pt 14):2512-20.
2010: Alena Fedarovich; Robert A Nicholas; Christopher Davies
Unusual conformation of the SxN motif in the crystal structure of penicillin-binding protein A from Mycobacterium tuberculosis.
Journal of molecular biology 2010;398(1):54-65.
2009: Shuqing Zhao; Margaret Duncan; Joshua Tomberg; Christopher Davies; Magnus Unemo; Robert A Nicholas
Genetics of chromosomally mediated intermediate resistance to ceftriaxone and cefixime in Neisseria gonorrhoeae.
Antimicrobial agents and chemotherapy 2009;53(9):3744-51.
2009: Sridhar Peddi; Robert A Nicholas; William G Gutheil
Neisseria gonorrhoeae penicillin-binding protein 3 demonstrates a pronounced preference for N(epsilon)-acylated substrates.
Biochemistry 2009;48(24):5731-7.
2009: Petra Hillmann; Geun-Yung Ko; Andreas Spinrath; Alexandra Raulf; Ivar von Kügelgen; Samuel C Wolff; Robert A Nicholas; Evi Kostenis; Hans-Dieter Höltje; Christa E Müller
Key determinants of nucleotide-activated G protein-coupled P2Y(2) receptor function revealed by chemical and pharmacological experiments, mutagenesis and homology modeling.
Journal of medicinal chemistry 2009;52(9):2762-75.
2009: Juliana I Sesma; Charles R Esther; Silvia M Kreda; Lisa Jones; Wanda O Neal; Shoko Nishihara; Robert A Nicholas; Eduardo R Lazarowski
Endoplasmic reticulum/golgi nucleotide sugar transporters contribute to the cellular release of UDP-sugar signaling molecules.
The Journal of biological chemistry 2009;284(18):12572-83.
2009: Ailsa J Powell; Joshua Tomberg; Ashley M Deacon; Robert A Nicholas; Christopher Davies
Crystal structures of penicillin-binding protein 2 from penicillin-susceptible and -resistant strains of Neisseria gonorrhoeae reveal an unexpectedly subtle mechanism for antibiotic resistance.
The Journal of biological chemistry 2009;284(2):1202-12.
2008: Mirko Magnone; Giovanna Basile; Debora Bruzzese; Lucrezia Guida; Maria Grazia Signorello; Madhu Parakkottil Chothi; Santina Bruzzone; Enrico Millo; Aidong Qi; Robert A Nicholas; Matthias U Kassack; Giuliana Leoncini; Elena Zocchi
Adenylic dinucleotides produced by CD38 are negative endogenous modulators of platelet aggregation.
The Journal of biological chemistry 2008;283(36):24460-8.
2008: Frédérique Vernel-Pauillac; Sobhan Nandi; Robert A Nicholas; Cyrille GOARANT
Genotyping as a tool for antibiotic resistance surveillance of Neisseria gonorrhoeae in New Caledonia: evidence of a novel genotype associated with reduced penicillin susceptibility.
Antimicrobial agents and chemotherapy 2008;52(9):3293-300.
2008: Ingrid Fricks; Savitri Maddileti; Rhonda L Carter; Eduardo R Lazarowski; Robert A Nicholas; Kenneth Alan Jacobson; T Kendall Harden
UDP is a competitive antagonist at the human P2Y14 receptor.
The Journal of pharmacology and experimental therapeutics 2008;325(2):588-94.
2008: Iliana Moreschi; Santina Bruzzone; Nicoletta Bodrato; Cesare Usai; Lucrezia Guida; Robert A Nicholas; Matthias U Kassack; Elena Zocchi; Antonio De Flora
NAADP+ is an agonist of the human P2Y11 purinergic receptor.
Cell calcium 2008;43(4):344-55.
2007: Jason Folster; Vijaya Dhulipala; Robert A Nicholas; William M Shafer
Differential regulation of ponA and pilMNOPQ expression by the MtrR transcriptional regulatory protein in Neisseria gonorrhoeae.
Journal of bacteriology 2007;189(13):4569-77.
2007: Robert Lindberg; Hans Fredlund; Robert A Nicholas; Magnus Unemo
Neisseria gonorrhoeae isolates with reduced susceptibility to cefixime and ceftriaxone: association with genetic polymorphisms in penA, mtrR, porB1b, and ponA.
Antimicrobial agents and chemotherapy 2007;51(6):2117-22.
2006: Helen R Josephine; Paulette Charlier; Christopher Davies; Robert A Nicholas; Rex F Pratt
Reactivity of penicillin-binding proteins with peptidoglycan-mimetic beta-lactams: what's wrong with these enzymes?
Biochemistry 2006;45(51):15873-83.
2006: Iliana Moreschi; Santina Bruzzone; Robert A Nicholas; Floriana Fruscione; Laura Sturla; Federica Benvenuto; Cesare Usai; Sabine Meis; Matthias U Kassack; Elena Zocchi; Antonio De Flora
Extracellular NAD+ is an agonist of the human P2Y11 purinergic receptor in human granulocytes.
The Journal of biological chemistry 2006;281(42):31419-29.
2006: Alena Fedarovich; Joshua Tomberg; Robert A Nicholas; Christopher Davies
Structure of the N-terminal domain of human CEACAM1: binding target of the opacity proteins during invasion of Neisseria meningitidis and N. gonorrhoeae.
Acta crystallographica. Section D, Biological crystallography 2006;62(Pt 9):971-9.
2006: Seiko F Okada; Robert A Nicholas; Silvia M Kreda; Eduardo R Lazarowski; Richard C Boucher
Physiological regulation of ATP release at the apical surface of human airway epithelia.
The Journal of biological chemistry 2006;281(32):22992-3002.
2006: Ailsa J Powell; Zhi-Jie Liu; Robert A Nicholas; Christopher Davies
Crystal structures of the lytic transglycosylase MltA from N.gonorrhoeae and E.coli: insights into interdomain movements and substrate binding.
Journal of molecular biology 2006;359(1):122-36.
2006: Melanie Olesky; Shuqing Zhao; Robert L Rosenberg; Robert A Nicholas
Porin-mediated antibiotic resistance in Neisseria gonorrhoeae: ion, solute, and antibiotic permeation through PIB proteins with penB mutations.
Journal of bacteriology 2006;188(7):2300-8.
2006: Dayle Houston; Michihiro Ohno; Robert A Nicholas; Kenneth Alan Jacobson; T Kendall Harden
[32P]2-iodo-N6-methyl-(N)-methanocarba-2'-deoxyadenosine-3',5'-bisphosphate ([32P]MRS2500), a novel radioligand for quantification of native P2Y1 receptors.
British journal of pharmacology 2006;147(5):459-67.
2005: George Nicola; Alena Fedarovich; Robert A Nicholas; Christopher Davies
A large displacement of the SXN motif of Cys115-modified penicillin-binding protein 5 from Escherichia coli.
The Biochemical journal 2005;392(Pt 1):55-63.
2005: Mei Hu; Sobhan Nandi; Christopher Davies; Robert A Nicholas
High-level chromosomally mediated tetracycline resistance in Neisseria gonorrhoeae results from a point mutation in the rpsJ gene encoding ribosomal protein S10 in combination with the mtrR and penB resistance determinants.
Antimicrobial agents and chemotherapy 2005;49(10):4327-34.
2005: Shuqing Zhao; Deborah M Tobiason; Mei Hu; H Steven Seifert; Robert A Nicholas
The penC mutation conferring antibiotic resistance in Neisseria gonorrhoeae arises from a mutation in the PilQ secretin that interferes with multimer stability.
Molecular microbiology 2005;57(5):1238-51.
2005: Aidong Qi; Samuel C Wolff; Robert A Nicholas
The apical targeting signal of the P2Y2 receptor is located in its first extracellular loop.
The Journal of biological chemistry 2005;280(32):29169-75.
2005: George Nicola; Sridhar Peddi; Miglena E Stefanova; Robert A Nicholas; William G Gutheil; Christopher Davies
Crystal structure of Escherichia coli penicillin-binding protein 5 bound to a tripeptide boronic acid inhibitor: a role for Ser-110 in deacylation.
Biochemistry 2005;44(23):8207-17.
2005: Samuel C Wolff; Aidong Qi; T Kendall Harden; Robert A Nicholas
Polarized expression of human P2Y receptors in epithelial cells from kidney, lung, and colon.
American journal of physiology. Cell physiology 2005;288(3):C624-32.
2004: So Yeong Lee; Robert A Nicholas; Scott M O'Grady
P2Y(1) receptor modulation of endogenous ion channel function in Xenopus oocytes: Involvement of transmembrane domains.
Purinergic signalling 2004;1(1):75-81.
2004: Aidong Qi; T Kendall Harden; Robert A Nicholas
GPR80/99, proposed to be the P2Y(15) receptor activated by adenosine and AMP, is not a P2Y receptor.
Purinergic signalling 2004;1(1):67-74.
2004: Seiko F Okada; Wanda O Neal; Pingbo Huang; Robert A Nicholas; Lawrence E Ostrowski; William J Craigen; Eduardo R Lazarowski; Richard C Boucher
Voltage-dependent anion channel-1 (VDAC-1) contributes to ATP release and cell volume regulation in murine cells.
The Journal of general physiology 2004;124(5):513-26.
2004: Christopher L Herold; Aidong Qi; T Kendall Harden; Robert A Nicholas
Agonist versus antagonist action of ATP at the P2Y4 receptor is determined by the second extracellular loop.
The Journal of biological chemistry 2004;279(12):11456-64.
2004: Miglena E Stefanova; Joshua Tomberg; Christopher Davies; Robert A Nicholas; William G Gutheil
Overexpression and enzymatic characterization of Neisseria gonorrhoeae penicillin-binding protein 4.
European journal of biochemistry / FEBS 2004;271(1):23-32.
2003: Robert A Nicholas; Sandra Krings; Joshua Tomberg; George Nicola; Christopher Davies
Crystal structure of wild-type penicillin-binding protein 5 from Escherichia coli: implications for deacylation of the acyl-enzyme complex.
The Journal of biological chemistry 2003;278(52):52826-33.
2003: Miglena E Stefanova; Joshua Tomberg; Melanie Olesky; Joachim-Volker Höltje; William G Gutheil; Robert A Nicholas
Neisseria gonorrhoeae penicillin-binding protein 3 exhibits exceptionally high carboxypeptidase and beta-lactam binding activities.
Biochemistry 2003;42(49):14614-25.
2003: John W Anderson; Suara A Adediran; Paulette Charlier; Martine Nguyen-Distèche; Jean-Marie Frère; Robert A Nicholas; Rex F Pratt
On the substrate specificity of bacterial DD-peptidases: evidence from two series of peptidoglycan-mimetic peptides.
The Biochemical journal 2003;373(Pt 3):949-55.
2003: So Yeong Lee; Samuel C Wolff; Robert A Nicholas; Scott M O'Grady
P2Y receptors modulate ion channel function through interactions involving the C-terminal domain.
Molecular pharmacology 2003;63(4):878-85.
2003: Aleksandr Pechenov; Miglena E Stefanova; Robert A Nicholas; Sridhar Peddi; William G Gutheil
Potential transition state analogue inhibitors for the penicillin-binding proteins.
Biochemistry 2003;42(2):579-88.
2002: Wendy L Veal; Robert A Nicholas; William M Shafer
Overexpression of the MtrC-MtrD-MtrE efflux pump due to an mtrR mutation is required for chromosomally mediated penicillin resistance in Neisseria gonorrhoeae.
Journal of bacteriology 2002;184(20):5619-24.
2002: Melanie Olesky; Marcia M Hobbs; Robert A Nicholas
Identification and analysis of amino acid mutations in porin IB that mediate intermediate-level resistance to penicillin and tetracycline in Neisseria gonorrhoeae.
Antimicrobial agents and chemotherapy 2002;46(9):2811-20.
2002: Gary T Jennings; Silvana Savino; Elisa Marchetti; Beatrice Aricò; Thomas Kast; Lucia Baldi; Astrid Ursinus; Joachim-Volker Höltje; Robert A Nicholas; Rino Rappuoli; Guido Grandi
GNA33 from Neisseria meningitidis serogroup B encodes a membrane-bound lytic transglycosylase (MltA).
European journal of biochemistry / FEBS 2002;269(15):3722-31.
2002: Miglena E Stefanova; Christopher Davies; Robert A Nicholas; William G Gutheil
pH, inhibitor, and substrate specificity studies on Escherichia coli penicillin-binding protein 5.
Biochimica et biophysica acta 2002;1597(2):292-300.
2002: Patricia A Ropp; Mei Hu; Melanie Olesky; Robert A Nicholas
Mutations in ponA, the gene encoding penicillin-binding protein 1, and a novel locus, penC, are required for high-level chromosomally mediated penicillin resistance in Neisseria gonorrhoeae.
Antimicrobial agents and chemotherapy 2002;46(3):769-77.
2001: Aidong Qi; A C Zambon; P A Insel; Robert A Nicholas
An arginine/glutamine difference at the juxtaposition of transmembrane domain 6 and the third extracellular loop contributes to the markedly different nucleotide selectivities of human and canine P2Y11 receptors.
Molecular pharmacology 2001;60(6):1375-82.
2001: Robert A Nicholas
Identification of the P2Y(12) receptor: a novel member of the P2Y family of receptors activated by extracellular nucleotides.
Molecular pharmacology 2001;60(3):416-20.
2001: Beth M Beadle; Robert A Nicholas; Brian Shoichet
Interaction energies between beta-lactam antibiotics and E. coli penicillin-binding protein 5 by reversible thermal denaturation.
Protein science : a publication of the Protein Society 2001;10(6):1254-9.
2001: Christopher Davies; Stephen W White; Robert A Nicholas
Crystal structure of a deacylation-defective mutant of penicillin-binding protein 5 at 2.3-A resolution.
The Journal of biological chemistry 2001;276(1):616-23.
2001: Aidong Qi; Charles Kennedy; T Kendall Harden; Robert A Nicholas
Differential coupling of the human P2Y(11) receptor to phospholipase C and adenylyl cyclase.
British journal of pharmacology 2001;132(1):318-26.
2000: William G Gutheil; Miglena E Stefanova; Robert A Nicholas
Fluorescent coupled enzyme assays for D-alanine: application to penicillin-binding protein and vancomycin activity assays.
Analytical biochemistry 2000;287(2):196-202.
2000: Charles Kennedy; Aidong Qi; Christopher L Herold; T Kendall Harden; Robert A Nicholas
ATP, an agonist at the rat P2Y(4) receptor, is an antagonist at the human P2Y(4) receptor.
Molecular pharmacology 2000;57(5):926-31.
1999: C Hoffmann; Stefano Moro; Robert A Nicholas; T Kendall Harden; Kenneth Alan Jacobson
The role of amino acids in extracellular loops of the human P2Y1 receptor in surface expression and activation processes.
The Journal of biological chemistry 1999;274(21):14639-47.
1998: R K Palmer; José L Boyer; JB Schachter; Robert A Nicholas; T Kendall Harden
Agonist action of adenosine triphosphates at the human P2Y1 receptor.
Molecular pharmacology 1998;54(6):1118-23.
1998: Q Li; Melanie Olesky; R K Palmer; T Kendall Harden; Robert A Nicholas
Evidence that the p2y3 receptor is the avian homologue of the mammalian P2Y6 receptor.
Molecular pharmacology 1998;54(3):541-6.
1998: Patricia A Ropp; Robert A Nicholas
Nucleotide sequence of a three gene cluster in Neisseria Gonorrhoeae encoding ribosomal proteins S6, S18, and L9.
DNA sequence : the journal of DNA sequencing and mapping 1998;9(5-6):341-5.
1997: J B Schachter; J L Boyer; Q Li; Robert A Nicholas; T Kendall Harden
Fidelity in functional coupling of the rat P2Y1 receptor to phospholipase C.
British journal of pharmacology 1997;122(6):1021-4.
1997: JB Schachter; S M Sromek; Robert A Nicholas; T Kendall Harden
HEK293 human embryonic kidney cells endogenously express the P2Y1 and P2Y2 receptors.
Neuropharmacology 1997;36(9):1181-7.
1997: Q Jiang; D Guo; B X Lee; AM van Rhee; YC Kim; Robert A Nicholas; J B Schachter; T Kendall Harden; Kenneth Alan Jacobson
A mutational analysis of residues essential for ligand recognition at the human P2Y1 receptor.
Molecular pharmacology 1997;52(3):499-507.
1997: Q Li; JB Schachter; T Kendall Harden; Robert A Nicholas
The 6H1 orphan receptor, claimed to be the p2y5 receptor, does not mediate nucleotide-promoted second messenger responses.
Biochemical and biophysical research communications 1997;236(2):455-60.
1997: Christopher L Herold; Q Li; JB Schachter; T Kendall Harden; Robert A Nicholas
Lack of nucleotide-promoted second messenger signaling responses in 1321N1 cells expressing the proposed P2Y receptor, p2y7.
Biochemical and biophysical research communications 1997;235(3):717-21.
1997: Q Li; Robert A Nicholas
PCR strategy to obtain the 5' and 3' flanking sequences of partial clones from lambda ZAP cDNA libraries.
BioTechniques 1997;22(6):1038-40, 1042, 1044.
1997: Patricia A Ropp; Robert A Nicholas
Cloning and characterization of the ponA gene encoding penicillin-binding protein 1 from Neisseria gonorrhoeae and Neisseria meningitidis.
Journal of bacteriology 1997;179(8):2783-7.
1996: Robert A Nicholas; Eduardo R Lazarowski; W C Watt; Q Li; J Boyer; T Kendall Harden
Pharmacological and second messenger signalling selectivities of cloned P2Y receptors.
Journal of autonomic pharmacology 1996;16(6):319-23.
1996: S M O'Grady; E Elmquist; T M Filtz; Robert A Nicholas; T Kendall Harden
A guanine nucleotide-independent inwardly rectifying cation permeability is associated with P2Y1 receptor expression in Xenopus oocytes.
The Journal of biological chemistry 1996;271(46):29080-7.
1996: Robert A Nicholas; W C Watt; Eduardo R Lazarowski; Q Li; T Kendall Harden
Uridine nucleotide selectivity of three phospholipase C-activating P2 receptors: identification of a UDP-selective, a UTP-selective, and an ATP- and UTP-specific receptor.
Molecular pharmacology 1996;50(2):224-9.
1996: E L Burns; Robert A Nicholas; E M Price
Random mutagenesis of the sheep Na,K-ATPase alpha1 subunit generating the ouabain-resistant mutant L793P.
The Journal of biological chemistry 1996;271(27):15879-83.
1996: G L Waldo; A Paterson; José L Boyer; Robert A Nicholas; T Kendall Harden
Molecular cloning, expression and regulatory activity of G alpha 11- and beta gamma-subunit-stimulated phospholipase C-beta from avian erythrocytes.
The Biochemical journal 1996;316 ( Pt 2)():559-68.
1996: C C Wang; D E Schultz; Robert A Nicholas
Localization of a putative second membrane association site in penicillin-binding protein 1B of Escherichia coli.
The Biochemical journal 1996;316 ( Pt 1)():149-56.
1996: JB Schachter; Q Li; José L Boyer; Robert A Nicholas; T Kendall Harden
Second messenger cascade specificity and pharmacological selectivity of the human P2Y1-purinoceptor.
British journal of pharmacology 1996;118(1):167-73.
1995: T Kendall Harden; José L Boyer; Robert A Nicholas
P2-purinergic receptors: subtype-associated signaling responses and structure.
Annual review of pharmacology and toxicology 1995;35():541-79.
1994: X H Chen; T Kendall Harden; Robert A Nicholas
Molecular cloning and characterization of a novel beta-adrenergic receptor.
The Journal of biological chemistry 1994;269(40):24810-9.
1994: T M Filtz; Q Li; José L Boyer; Robert A Nicholas; T Kendall Harden
Expression of a cloned P2Y purinergic receptor that couples to phospholipase C.
Molecular pharmacology 1994;46(1):8-14.
1994: Sanjoy Mahanty; U S Rao; Robert A Nicholas; Gene A Scarborough
High yield expression of the Neurospora crassa plasma membrane H(+)-ATPase in Saccharomyces cerevisiae.
The Journal of biological chemistry 1994;269(26):17705-12.
1993: J S Bauer; J Varner; C Schreiner; L Kornberg; Robert A Nicholas; Rudy L Juliano
Functional role of the cytoplasmic domain of the integrin alpha 5 subunit.
The Journal of cell biology 1993;122(1):209-21.
1993: D H Maurice; G L Waldo; Andrew J Morris; Robert A Nicholas; T Kendall Harden
Identification of G alpha 11 as the phospholipase C-activating G-protein of turkey erythrocytes.
The Biochemical journal 1993;290 ( Pt 3)():765-70.
1993: Robert A Nicholas; D R Lamson; D E Schultz
Penicillin-binding protein 1B from Escherichia coli contains a membrane association site in addition to its transmembrane anchor.
The Journal of biological chemistry 1993;268(8):5632-41.
1992: K T Malhotra; Robert A Nicholas
Substitution of lysine 213 with arginine in penicillin-binding protein 5 of Escherichia coli abolishes D-alanine carboxypeptidase activity without affecting penicillin binding.
The Journal of biological chemistry 1992;267(16):11386-91.
1991: D E Schultz; B G Spratt; Robert A Nicholas
Expression and purification of a soluble form of penicillin-binding protein 2 from both penicillin-susceptible and penicillin-resistant Neisseria gonorrhoeae.
Protein expression and purification 1991;2(5-6):339-49.
1990: Tom Dawson; Robert A Nicholas; ray dingledine
Homomeric GluR1 excitatory amino acid receptors expressed in Xenopus oocytes.
Molecular pharmacology 1990;38(6):779-84.
1990: ray dingledine; Scott J Myers; Robert A Nicholas
Molecular biology of mammalian amino acid receptors.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology 1990;4(9):2636-45.
1988: Robert A Nicholas; Jack L Strominger
Relations between beta-lactamases and penicillin-binding proteins: beta-lactamase activity of penicillin-binding protein 5 from Escherichia coli.
Reviews of infectious diseases 1988;10(4):733-8.
1988: Robert A Nicholas; Jack L Strominger
Site-directed mutants of a soluble form of penicillin-binding protein 5 from Escherichia coli and their catalytic properties.
The Journal of biological chemistry 1988;263(4):2034-40.
1985: Robert A Nicholas; J L Strominger; H Suzuki; Y Hirota
Identification of the active site in penicillin-binding protein 3 of Escherichia coli.
Journal of bacteriology 1985;164(1):456-60.
1985: Robert A Nicholas; H Suzuki; Y Hirota; J L Strominger
Purification and sequencing of the active site tryptic peptide from penicillin-binding protein 1b of Escherichia coli.
Biochemistry 1985;24(14):3448-53.
1985: Robert A Nicholas; Fumitoshi Ishino; W Park; M Matsuhashi; J L Strominger
Purification and sequencing of the active site tryptic peptide from penicillin-binding protein 5 from the dacA mutant strain of Escherichia coli (TMRL 1222).
The Journal of biological chemistry 1985;260(10):6394-7.