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Nam-Chul Ha

Research Profile

Procedures

X Ray Crystallography

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Chemicals & Drugs

Genes & Molecular Sequences

Amino Acid Sequences

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Physiology

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Publications

TOP 3
Minho Lee; Seunghwa Lee; Saemee Song; Nam-Chul Ha; Yoonsoo Hahn; Minju Joo; Daeyoung Kim; Hyun Lee Kim; Kangseok Lee
The α-barrel tip region of Escherichia coli TolC homologs of Vibrio vulnificus interacts with the MacA protein to form the functional macrolide-specific efflux pump MacAB-TolC.
So-Young Jun; Jin-Sik Kim; Jaeho Cha; Kyoung-Hwa Choi; Nam-Chul Ha
Structure of a novel α-amylase AmyB from Thermotoga neapolitana that produces maltose from the nonreducing end of polysaccharides.
Huayue Li; Thomas F Murray; John J Bowling; Frank R Fronczek; Nam-Chul Ha; Mark T Hamann; Jongki Hong; Sairam V Jabba; Jee H Jung
Asteropsin A: an unusual cystine-crosslinked peptide from porifera enhances neuronal Ca2+ influx.

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All Publications

2013: Minho Lee; Seunghwa Lee; Saemee Song; Nam-Chul Ha; Yoonsoo Hahn; Minju Joo; Daeyoung Kim; Hyun Lee Kim; Kangseok Lee
The α-barrel tip region of Escherichia coli TolC homologs of Vibrio vulnificus interacts with the MacA protein to form the functional macrolide-specific efflux pump MacAB-TolC.
Journal of microbiology (Seoul, Korea) 2013;51(2):154-9.
2013: So-Young Jun; Jin-Sik Kim; Jaeho Cha; Kyoung-Hwa Choi; Nam-Chul Ha
Structure of a novel α-amylase AmyB from Thermotoga neapolitana that produces maltose from the nonreducing end of polysaccharides.
Acta crystallographica. Section D, Biological crystallography 2013;69(Pt 3):442-50.
2013: Huayue Li; Thomas F Murray; John J Bowling; Frank R Fronczek; Nam-Chul Ha; Mark T Hamann; Jongki Hong; Sairam V Jabba; Jee H Jung
Asteropsin A: an unusual cystine-crosslinked peptide from porifera enhances neuronal Ca2+ influx.
Biochimica et biophysica acta 2013;1830(3):2591-9.
2012: Youn-Sang Jung; Su-Jin Lee; Nam-Chul Ha; Min-Ho Yoon; Bum-Joon Park
Estrogen receptor α is a novel target of the Von Hippel-Lindau protein and is responsible for the proliferation of VHL-deficient cells under hypoxic conditions.
Cell cycle (Georgetown, Tex.) 2012;11(23):4462-73.
2012: Boram Lim; Minji Sim; Se-Hoon Sim; Younghoon Lee; Nam-Chul Ha; Che Ok Jeon; Kyungsub Kim; Kangseok Lee
RNase III controls the degradation of corA mRNA in Escherichia coli.
Journal of bacteriology 2012;194(9):2214-20.
2012: Yongbin Xu; Bo-Young Yoon; So-Young Jun; Jin-Sik Kim; Minho Le; Kangseok Lee; Arne Moeller; Nam-Chul Ha
Assembly and channel opening of outer membrane protein in tripartite drug efflux pumps of Gram-negative bacteria.
The Journal of biological chemistry 2012;287(15):11740-50.
2012: Minho Lee; Saemee Song; Bo-Young Yoon; So-Young Jun; Kangseok Lee; Nam-Chul Ha
Membrane fusion proteins of type I secretion system and tripartite efflux pumps share a binding motif for TolC in gram-negative bacteria.
PloS one 2012;7(7):e40460.
2011: Eun Ji Gong; Nam-Chul Ha; Dong-Gyu Jo; Mi Eun Kim; Eunjin Lee; Mark P Mattson; Hee Ra Park; Shunfu Piao; Hae Young Chung; Jaewon Lee
Morin attenuates tau hyperphosphorylation by inhibiting GSK3β.
Neurobiology of disease 2011;44(2):223-30.
2011: Bo-Young Yun; Shunfu Piao; Yeon-Gil Kim; Hyung Ryong Moon; Eun Joo Choi; Young-Ok Kim; Bo-Hye Nam; Sang-Jun Lee; Nam-Chul Ha
Crystallization and preliminary X-ray crystallographic analysis of Salmonella Typhimurium CueP.
Acta crystallographica. Section F, Structural biology and crystallization communications 2011;67(Pt 6):675-7.
2011: Yongbin Xu; Minho Lee; Arne Moeller; Saemee Song; Bo-Young Yoon; Hong-Man Kim; So-Young Jun; Kangseok Lee; Nam-Chul Ha
Funnel-like hexameric assembly of the periplasmic adapter protein in the tripartite multidrug efflux pump in gram-negative bacteria.
The Journal of biological chemistry 2011;286(20):17910-20.
2011: Yongbin Xu; Saemee Song; Arne Moeller; Nahee Kim; Shunfu Piao; Se-Hoon Sim; Mooseok Kang; Wookyung Yu; Hyun-Soo Cho; Iksoo Chang; Kangseok Lee; Nam-Chul Ha
Functional implications of an intermeshing cogwheel-like interaction between TolC and MacA in the action of macrolide-specific efflux pump MacAB-TolC.
The Journal of biological chemistry 2011;286(15):13541-9.
2011: Yeon-Gil Kim; Jae-Hee Jeong; Nam-Chul Ha; Kyung-Jin Kim
Structural and functional analysis of the Lmo2642 cyclic nucleotide phosphodiesterase from Listeria monocytogenes.
Proteins 2011;79(4):1205-14.
2011: Shunfu Piao; Su-Jin Lee; Yongbin Xu; Jungsug Gwak; Sangtaek Oh; Bum-Joon Park; Nam-Chul Ha
CK1ε targets Cdc25A for ubiquitin-mediated proteolysis under normal conditions and in response to checkpoint activation.
Cell cycle (Georgetown, Tex.) 2011;10(3):531-7.
2011: Sun Hee Park; Jiang Rui; Shunfu Piao; Bing Zhang; Eun-Hye Kim; Hyun-Mi Kwon; Xiao Ling Jin; Bok Luel Lee; Nam-Chul Ha
Structural and functional characterization of a highly specific serpin in the insect innate immunity.
The Journal of biological chemistry 2011;286(2):1567-75.
2011: Ji-Yun Chung; Nam-Chul Ha; Youn Sang Jung; Sun-Hye Lee; Su-Jin Lee; Wongi Seol; Bum-Joon Park
Direct interaction of α-synuclein and AKT regulates IGF-1 signaling: implication of Parkinson disease.
Neuro-Signals 2011;19(2):86-96.
2010: Sungchae Hong; Soohwan Yum; Nam-Chul Ha; Yunjin Jung
von Hippel-Lindau β-domain-luciferase fusion protein as a bioluminescent hydroxyproline sensor for a hypoxia-inducible factor prolyl hydroxylase assay.
Analytical biochemistry 2010;407(2):220-5.
2010: Bo-Young Yun; Yongbin Xu; Shunfu Piao; Nahee Kim; Jeong-Hyun Yoon; Hyun-Soo Cho; Kangseok Lee; Nam-Chul Ha
Periplasmic domain of CusA in an Escherichia coli Cu+/Ag+ transporter has metal binding sites.
Journal of microbiology (Seoul, Korea) 2010;48(6):829-35.
2010: Hong-Man Kim; Yongbin Xu; Minho Lee; Shunfu Piao; Se-Hoon Sim; Nam-Chul Ha; Kangseok Lee
Functional relationships between the AcrA hairpin tip region and the TolC aperture tip region for the formation of the bacterial tripartite efflux pump AcrAB-TolC.
Journal of bacteriology 2010;192(17):4498-503.
2010: Keun-Hwa Park; Kenji Kurokawa; Lili Zheng; Dong-Jun Jung; Koichiro Tateishi; Jun-O Jin; Nam-Chul Ha; Hee Jung Kang; Misao Matsushita; Jong-Young Kwak; Kazue Takahashi; Bok Luel Lee
Human serum mannose-binding lectin senses wall teichoic acid Glycopolymer of Staphylococcus aureus, which is restricted in infancy.
The Journal of biological chemistry 2010;285(35):27167-75.
2010: Dong-Jin Yang; Ji-Yun Chung; Su-Jin Lee; So-Young Park; Jung-Hoon Pyo; Nam-Chul Ha; Mi-Ae Yoo; Bum-Joon Park
Slug, mammalian homologue gene of Drosophila escargot, promotes neuronal-differentiation through suppression of HEB/daughterless.
Cell cycle (Georgetown, Tex.) 2010;9(14):2789-802.
2010: Yongbin Xu; Se-Hoon Sim; Saemee Song; Shunfu Piao; Hong-Man Kim; Xiao Ling Jin; Kangseok Lee; Nam-Chul Ha
The tip region of the MacA alpha-hairpin is important for the binding to TolC to the Escherichia coli MacAB-TolC pump.
Biochemical and biophysical research communications 2010;394(4):962-5.
2010: Shunfu Piao; Xiao Ling Jin; Bo-Young Yun; Nahee Kim; Hyun-Soo Cho; Minoru Fukuda; Heeseob Lee; Nam-Chul Ha
Crystal structure and functional insight of HP0420-homolog from Helicobacter felis.
Biochemical and biophysical research communications 2010;394(4):940-6.
2010: Sun Hee Park; Shunfu Piao; Hyun Mi Kwon; Eun Hye Kim; Bok Luel Lee; Nam-Chul Ha
Crystallization and preliminary X-ray crystallographic analysis of a highly specific serpin from the beetle Tenebrio molitor.
Acta crystallographica. Section F, Structural biology and crystallization communications 2010;66(Pt 2):198-200.
2010: Ji-Won Park; Chan-Hee Kim; Jiang Rui; Keun-Hwa Park; Kyung-Hwa Ryu; Jun-Ho Chai; Hyun-Ok Hwang; Kenji Kurokawa; Nam-Chul Ha; Irene Söderhill; Kenneth Söderhill; Bok Luel Lee
Beetle immunity.
Advances in experimental medicine and biology 2010;708():163-80.
2010: Su-Jin Lee; Sun-Hye Lee; Nam-Chul Ha; Bum-Joon Park
Estrogen prevents senescence through induction of WRN, Werner syndrome protein.
Hormone research in pædiatrics 2010;74(1):33-40.
2010: Ki Hyun Nam; Yongbin Xu; Shunfu Piao; Amit Priyadarshi; Eun Hye Lee; Hye-Yeon Kim; Young Ho Jeon; Nam-Chul Ha; Kwang Yeon Hwang
Crystal structure of bacterioferritin from Rhodobacter sphaeroides.
Biochemical and biophysical research communications 2010;391(1):990-4.
2010: Se-Hoon Sim; Ji-Hyun Yeom; Choy Shin; Woo-Seok Song; Eunkyoung Shin; Hong-Man Kim; Chang-Jun Cha; Seung Hyun Han; Nam-Chul Ha; Si Wouk Kim; Yoonsoo Hahn; Jeehyeon Bae; Kangseok Lee
Escherichia coli ribonuclease III activity is downregulated by osmotic stress: consequences for the degradation of bdm mRNA in biofilm formation.
Molecular microbiology 2010;75(2):413-25.
2009: Eun-Woo Lee; Min-Sik Lee; Suzanne Camus; Jaewang Ghim; Mi-Ran Yang; Wonkyung Oh; Nam-Chul Ha; David P Lane; Jaewhan Song
Differential regulation of p53 and p21 by MKRN1 E3 ligase controls cell cycle arrest and apoptosis.
The EMBO journal 2009;28(14):2100-13.
2009: Kyung-Baeg Roh; Chan-Hee Kim; Hanna Lee; Hyun-Mi Kwon; Ji-Won Park; Ji-Hwan Ryu; Kenji Kurokawa; Nam-Chul Ha; Won-Jae Lee; Bruno Lemaitre; Kenneth Söderhäll; Bok Luel Lee
Proteolytic cascade for the activation of the insect toll pathway induced by the fungal cell wall component.
The Journal of biological chemistry 2009;284(29):19474-81.
2009: Yongbin Xu; Bo-Young Yun; Se-Hoon Sim; Kangseok Lee; Nam-Chul Ha
Crystallization and preliminary X-ray crystallographic analysis of Escherichia coli CusB.
Acta crystallographica. Section F, Structural biology and crystallization communications 2009;65(Pt 7):743-5.
2009: Yongbin Xu; Se-Hoon Sim; Ki Hyun Nam; Xiao Ling Jin; Hong-Man Kim; Kwang Yeon Hwang; Kangseok Lee; Nam-Chul Ha
Crystal structure of the periplasmic region of MacB, a noncanonic ABC transporter.
Biochemistry 2009;48(23):5218-25.
2009: Soohwan Yum; Yongbin Xu; Shunfu Piao; Se-Hoon Sim; Hong-Man Kim; Wol-Soon Jo; Kyung-Jin Kim; Hee-Seok Kweon; Min-Ho Jeong; Hyesung Jeon; Kangseok Lee; Nam-Chul Ha
Crystal structure of the periplasmic component of a tripartite macrolide-specific efflux pump.
Journal of molecular biology 2009;387(5):1286-97.
2009: Soohwan Yum; Su-Jin Lee; Shunfu Piao; Yongbin Xu; Jiyoung Jung; Yunjin Jung; Sangtaek Oh; Jaewon Lee; Bum-Joon Park; Nam-Chul Ha
The role of the Ser/Thr cluster in the phosphorylation of PPPSP motifs in Wnt coreceptors.
Biochemical and biophysical research communications 2009;381(3):345-9.
2009: Hong-Man Kim; Sang-Mi Ryou; Woo-Seok Song; Se-Hoon Sim; Chang-Jun Cha; Seung Hyun Han; Nam-Chul Ha; Jae-Hong Kim; Jeehyeon Bae; Philip R Cunningham; Kangseok Lee
Genetic analysis of the invariant residue G791 in Escherichia coli 16S rRNA implicates RelA in ribosome function.
Journal of bacteriology 2009;191(7):2042-50.
2009: Jae-Sung Woo; Jae-Hong Lim; Ho-Chul Shin; Min-Kang Suh; Bonsu Ku; Kwang-Hoon Lee; Keehyoung Joo; Howard Robinson; Jooyoung Lee; Sam-Yong Park; Nam-Chul Ha; Byung-Ha Oh
Structural studies of a bacterial condensin complex reveal ATP-dependent disruption of intersubunit interactions.
Cell 2009;136(1):85-96.
2009: Soohwan Yum; Moon Jong Kim; Yongbin Xu; Xiao Ling Jin; Hee Young Yoo; Ji-Won Park; Ji Hee Gong; Kwang-Min Choe; Bok Luel Lee; Nam-Chul Ha
Structural basis for the recognition of lysozyme by MliC, a periplasmic lysozyme inhibitor in Gram-negative bacteria.
Biochemical and biophysical research communications 2009;378(2):244-8.
2008: Hongnan Kan; Chan-Hee Kim; Hyun-Mi Kwon; Ji-Won Park; Kyung-Baeg Roh; Hanna Lee; Bum-Joon Park; Rong Zhang; Jinghai Zhang; Kenneth Söderhäll; Nam-Chul Ha; Bok Luel Lee
Molecular control of phenoloxidase-induced melanin synthesis in an insect.
The Journal of biological chemistry 2008;283(37):25316-23.
2008: Eunkyoung Shin; Hayoung Go; Ji-Hyun Yeom; Miae Won; Jeehyeon Bae; Seung Hyun Han; Kook Han; Younghoon Lee; Nam-Chul Ha; Christopher J Moore; Björn Sohlberg; Stanley N Cohen; Kangseok Lee
Identification of amino acid residues in the catalytic domain of RNase E essential for survival of Escherichia coli: functional analysis of DNase I subdomain.
Genetics 2008;179(4):1871-9.
2008: Seulki Kim; Soohwan Yum; Wol-Soon Jo; Bok Luel Lee; Min-Ho Jeong; Nam-Chul Ha
Expression and biochemical characterization of the periplasmic domain of bacterial outer membrane porin TdeA.
Journal of microbiology and biotechnology 2008;18(5):845-51.
2004: Do Soo Jang; Hyung Jin Cha; Sun-Shin Cha; Byung Hee Hong; Nam-Chul Ha; Ja Young Lee; Byung-Ha Oh; Heung-Soo Lee; Kang-Yell Choi
Structural double-mutant cycle analysis of a hydrogen bond network in ketosteroid isomerase from Pseudomonas putida biotype B.
The Biochemical journal 2004;382(Pt 3):967-73.
2003: Gyu Hyun Nam; Do-Hyung Kim; Nam-Chul Ha; Do Soo Jang; Young Sung Yun; Byung Hee Hong; Byung-Ha Oh; Kang-Yell Choi
Contribution of conserved amino acids at the dimeric interface to the conformational stability and the structural integrity of the active site in ketosteroid isomerase from Pseudomonas putida biotype B.
Journal of biochemistry 2003;134(1):101-10.
2002: Sejeong Shin; Tae-Hee Lee; Nam-Chul Ha; Hyun Min Koo; So-Yeon Kim; Heung-Soo Lee; Yu Sam Kim; Byung-Ha Oh
Structure of malonamidase E2 reveals a novel Ser-cisSer-Lys catalytic triad in a new serine hydrolase fold that is prevalent in nature.
The EMBO journal 2002;21(11):2509-16.
2001: Nam-Chul Ha; Gildon Choi; Kang-Yell Choi; Byung-Ha Oh
Structure and enzymology of Delta5-3-ketosteroid isomerase.
Current opinion in structural biology 2001;11(6):674-8.
2001: S Shin; Nam-Chul Ha; BC Oh; TK Oh; Byung-Ha Oh
Enzyme mechanism and catalytic property of beta propeller phytase.
Structure (London, England : 1993) 2001;9(9):851-8.
2001: BC Oh; B S Chang; K H Park; Nam-Chul Ha; H K Kim; Byung-Ha Oh; TK Oh
Calcium-dependent catalytic activity of a novel phytase from Bacillus amyloliquefaciens DS11.
Biochemistry 2001;40(32):9669-76.
2001: Gildon Choi; Nam-Chul Ha; Mi-Sung Kim; Byung Hee Hong; Byung-Ha Oh; Kang-Yell Choi
Pseudoreversion of the catalytic activity of Y14F by the additional substitution(s) of tyrosine with phenylalanine in the hydrogen bond network of delta 5-3-ketosteroid isomerase from Pseudomonas putida biotype B.
Biochemistry 2001;40(23):6828-35.
2001: Nam-Chul Ha; S T Oh; J Y Sung; K A Cha; M H Lee; Byung-Ha Oh
Supramolecular assembly and acid resistance of Helicobacter pylori urease.
Nature structural biology 2001;8(6):505-9.
2001: S Shin; B J Sung; Y S Cho; H J Kim; Nam-Chul Ha; Jong-Ik Hwang; C W Chung; Yong-Keun Jung; Byung-Ha Oh
An anti-apoptotic protein human survivin is a direct inhibitor of caspase-3 and -7.
Biochemistry 2001;40(4):1117-23.
2000: Nam-Chul Ha; Mi-Sung Kim; Weontae Lee; Kang-Yell Choi; Byung-Ha Oh
Detection of large pKa perturbations of an inhibitor and a catalytic group at an enzyme active site, a mechanistic basis for catalytic power of many enzymes.
The Journal of biological chemistry 2000;275(52):41100-6.
2000: Kyung Seok Oh; Sun-Shin Cha; Dong H Kim; Hyun-Soo Cho; Nam-Chul Ha; Gildon Choi; Jin Yong Lee; P Tarakeshwar; Hyeon S Son; Kang-Yell Choi; Byung-Ha Oh; K S Kim
Role of catalytic residues in enzymatic mechanisms of homologous ketosteroid isomerases.
Biochemistry 2000;39(45):13891-6.
2000: Dong H Kim; Do Soo Jang; Gyu Hyun Nam; Gildon Choi; JS Kim; Nam-Chul Ha; Mi-Sung Kim; Byung-Ha Oh; Kang-Yell Choi
Contribution of the hydrogen-bond network involving a tyrosine triad in the active site to the structure and function of a highly proficient ketosteroid isomerase from Pseudomonas putida biotype B.
Biochemistry 2000;39(16):4581-9.
2000: Gildon Choi; Nam-Chul Ha; SW Kim; Dong H Kim; S Park; Byung-Ha Oh; Kang-Yell Choi
Asp-99 donates a hydrogen bond not to Tyr-14 but to the steroid directly in the catalytic mechanism of Delta 5-3-ketosteroid isomerase from Pseudomonas putida biotype B.
Biochemistry 2000;39(5):903-9.
2000: Nam-Chul Ha; BC Oh; S Shin; H J Kim; TK Oh; Y O Kim; K Y Choi; Byung-Ha Oh
Crystal structures of a novel, thermostable phytase in partially and fully calcium-loaded states.
Nature structural biology 2000;7(2):147-53.
1999: Hyun-Soo Cho; Nam-Chul Ha; Gildon Choi; Hyun-Ju Kim; D Lee; Kyung Seok Oh; K S Kim; Weontae Lee; Kang-Yell Choi; Byung-Ha Oh
Crystal structure of delta(5)-3-ketosteroid isomerase from Pseudomonas testosteroni in complex with equilenin settles the correct hydrogen bonding scheme for transition state stabilization.
The Journal of biological chemistry 1999;274(46):32863-8.
1999: Jong-So Kim; Sun-Shin Cha; Hyun-Ju Kim; Tae-Jip Kim; Nam-Chul Ha; S T Oh; Hyun-Soo Cho; M J Cho; Min-Jung Kim; Heung-Soo Lee; J W Kim; Kang-Yell Choi; Kwan-Hwa Park; Byung-Ha Oh
Crystal structure of a maltogenic amylase provides insights into a catalytic versatility.
The Journal of biological chemistry 1999;274(37):26279-86.
1999: Nam-Chul Ha; Y O Kim; TK Oh; Byung-Ha Oh
Preliminary X-ray crystallographic analysis of a novel phytase from a Bacillus amyloliquefaciens strain.
Acta crystallographica. Section D, Biological crystallography 1999;55(Pt 3):691-3.
1998: Hyun-Soo Cho; Nam-Chul Ha; L W Kang; Kyung Min Chung; Sung Hoon Back; Sung Key Jang; Byung-Ha Oh
Crystal structure of RNA helicase from genotype 1b hepatitis C virus. A feasible mechanism of unwinding duplex RNA.
The Journal of biological chemistry 1998;273(24):15045-52.
1997: SW Kim; Sun-Shin Cha; Hyun-Soo Cho; JS Kim; Nam-Chul Ha; M J Cho; S Joo; K K Kim; Kang-Yell Choi; Byung-Ha Oh
High-resolution crystal structures of delta5-3-ketosteroid isomerase with and without a reaction intermediate analogue.
Biochemistry 1997;36(46):14030-6.