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Gregory Kopf

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Gregory S Kopf
Approaches to the identification of new nonhormonal targets for male contraception.
Vimal Selvaraj; Atsushi Asano; Danielle E Buttke; John L McElwee; Jacquelyn L Nelson; Collin A Wolff; Tanya Merdiushev; Miguel Walter Fornés; Alex W Cohen; Michael P Lisanti; George H Rothblat; Gregory S Kopf; Alexander J Travis
Segregation of micron-scale membrane sub-domains in live murine sperm.
Kenneth C Hess; Brian H Jones; Becky Marquez; Yanqiu Chen; Teri S Ord; Margarita Kamenetsky; Catarina Miyamoto; Jonathan H Zippin; Gregory S Kopf; Susan S Suarez; Lonny R Levin; Carmen J Williams; Jochen Buck; Stuart B Moss
The "soluble" adenylyl cyclase in sperm mediates multiple signaling events required for fertilization.

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All Publications

2008: Gregory S Kopf
Approaches to the identification of new nonhormonal targets for male contraception.
Contraception 2008;78(4 Suppl):S18-22.
2006: Vimal Selvaraj; Atsushi Asano; Danielle E Buttke; John L McElwee; Jacquelyn L Nelson; Collin A Wolff; Tanya Merdiushev; Miguel Walter Fornés; Alex W Cohen; Michael P Lisanti; George H Rothblat; Gregory S Kopf; Alexander J Travis
Segregation of micron-scale membrane sub-domains in live murine sperm.
Journal of cellular physiology 2006;206(3):636-46.
2005: Kenneth C Hess; Brian H Jones; Becky Marquez; Yanqiu Chen; Teri S Ord; Margarita Kamenetsky; Catarina Miyamoto; Jonathan H Zippin; Gregory S Kopf; Susan S Suarez; Lonny R Levin; Carmen J Williams; Jochen Buck; Stuart B Moss
The "soluble" adenylyl cyclase in sperm mediates multiple signaling events required for fertilization.
Developmental cell 2005;9(2):249-59.
2004: Alexander J Travis; Levent Tutuncu; Carolina J Jorgez; Teri S Ord; Brian H Jones; Gregory S Kopf; Carmen J Williams
Requirements for glucose beyond sperm capacitation during in vitro fertilization in the mouse.
Biology of reproduction 2004;71(1):139-45.
2004: Hannah L Galantino-Homer; Harvey M Florman; Bayard T Storey; Ina Dobrinski; Gregory S Kopf
Bovine sperm capacitation: assessment of phosphodiesterase activity and intracellular alkalinization on capacitation-associated protein tyrosine phosphorylation.
Molecular reproduction and development 2004;67(4):487-500.
2004: David J Ecker; Paula Stein; Zhe Xu; Carmen J Williams; Gregory S Kopf; Warren B Bilker; Ted Abel; Richard M Schultz
Long-term effects of culture of preimplantation mouse embryos on behavior.
Proceedings of the National Academy of Sciences of the United States of America 2004;101(6):1595-600.
2003: Manqi Deng; Hidefumi Kishikawa; Ryuzo Yanagimachi; Gregory S Kopf; Richard M Schultz; Carmen J Williams
Chromatin-mediated cortical granule redistribution is responsible for the formation of the cortical granule-free domain in mouse eggs.
Developmental biology 2003;257(1):166-76.
2003: Ignacio A Demarco; Felipe Espinosa; Jennifer Edwards; Julian Sosnik; Jose Luis De La Vega-Beltran; Joel W Hockensmith; Gregory S Kopf; Alberto Darszon; Pablo E Visconti
Involvement of a Na+/HCO-3 cotransporter in mouse sperm capacitation.
The Journal of biological chemistry 2003;278(9):7001-9.
2003: Zhe Xu; Carmen J Williams; Gregory S Kopf; Richard M Schultz
Maturation-associated increase in IP3 receptor type 1: role in conferring increased IP3 sensitivity and Ca2+ oscillatory behavior in mouse eggs.
Developmental biology 2003;254(2):163-71.
2002: Tom Ducibella; Daniel Huneau; Elizabeth Angelichio; Zhe Xu; Richard M Schultz; Gregory S Kopf; Rafael A Fissore; Stephane Madoux; Jean-Pierre Ozil
Egg-to-embryo transition is driven by differential responses to Ca(2+) oscillation number.
Developmental biology 2002;250(2):280-91.
2002: Alexander J Travis; Gregory S Kopf
The role of cholesterol efflux in regulating the fertilization potential of mammalian spermatozoa.
The Journal of clinical investigation 2002;110(6):731-6.
2001: Alexander J Travis; Tanya Merdiushev; L A Vargas; Brian H Jones; M A Purdon; Rick Nipper; J Galatioto; Stuart B Moss; Gary R Hunnicutt; Gregory S Kopf
Expression and localization of caveolin-1, and the presence of membrane rafts, in mouse and Guinea pig spermatozoa.
Developmental biology 2001;240(2):599-610.
2001: Pablo E Visconti; Z Hao; M A Purdon; Paula Stein; binaifer Balsara; J R Testa; John C Herr; Stuart B Moss; Gregory S Kopf
Cloning and chromosomal localization of a gene encoding a novel serine/threonine kinase belonging to the subfamily of testis-specific kinases.
Genomics 2001;77(3):163-70.
2001: Alexander J Travis; Carolina J Jorgez; Tanya Merdiushev; Brian H Jones; D M Dess; L Diaz-Cueto; Bayard T Storey; Gregory S Kopf; Stuart B Moss
Functional relationships between capacitation-dependent cell signaling and compartmentalized metabolic pathways in murine spermatozoa.
The Journal of biological chemistry 2001;276(10):7630-6.
2001: Hideki Koi; Jian Zhang; Antonis Makrigiannakis; Spiro Getsios; Colin D MacCalman; Gregory S Kopf; Jerome F Strauss; Samuel Parry
Differential expression of the coxsackievirus and adenovirus receptor regulates adenovirus infection of the placenta.
Biology of reproduction 2001;64(3):1001-9.
2001: Q Tian; Gregory S Kopf; R S Brown; Hung Tseng
Function of basonuclin in increasing transcription of the ribosomal RNA genes during mouse oogenesis.
Development (Cambridge, England) 2001;128(3):407-16.
2000: M Kanatsu-Shinohara; Richard M Schultz; Gregory S Kopf
Acquisition of meiotic competence in mouse oocytes: absolute amounts of p34(cdc2), cyclin B1, cdc25C, and wee1 in meiotically incompetent and competent oocytes.
Biology of reproduction 2000;63(6):1610-6.
1999: Alexander J Travis; D Sui; K D Riedel; N R Hofmann; Stuart B Moss; J E Wilson; Gregory S Kopf
A novel NH(2)-terminal, nonhydrophobic motif targets a male germ cell-specific hexokinase to the endoplasmic reticulum and plasma membrane.
The Journal of biological chemistry 1999;274(48):34467-75.
1999: JE Osheroff; Pablo E Visconti; J P Valenzuela; Alexander J Travis; J Alvarez; Gregory S Kopf
Regulation of human sperm capacitation by a cholesterol efflux-stimulated signal transduction pathway leading to protein kinase A-mediated up-regulation of protein tyrosine phosphorylation.
Molecular human reproduction 1999;5(11):1017-26.
1999: Pablo E Visconti; X Ning; Miguel Walter Fornés; JG Alvarez; Paula Stein; Stephanie A Connors; Gregory S Kopf
Cholesterol efflux-mediated signal transduction in mammalian sperm: cholesterol release signals an increase in protein tyrosine phosphorylation during mouse sperm capacitation.
Developmental biology 1999;214(2):429-43.
1999: Pablo E Visconti; J Stewart-Savage; A Blasco; L Battaglia; Patricia Miranda; Gregory S Kopf; J G Tezón
Roles of bicarbonate, cAMP, and protein tyrosine phosphorylation on capacitation and the spontaneous acrosome reaction of hamster sperm.
Biology of reproduction 1999;61(1):76-84.
1999: Christophe Arnoult; I G Kazam; Pablo E Visconti; Gregory S Kopf; Michel Villaz; Harvey M Florman
Control of the low voltage-activated calcium channel of mouse sperm by egg ZP3 and by membrane hyperpolarization during capacitation.
Proceedings of the National Academy of Sciences of the United States of America 1999;96(12):6757-62.
1999: Pablo E Visconti; Hannah L Galantino-Homer; X Ning; Grace D Moore; J P Valenzuela; Carolina J Jorgez; JG Alvarez; Gregory S Kopf
Cholesterol efflux-mediated signal transduction in mammalian sperm. beta-cyclodextrins initiate transmembrane signaling leading to an increase in protein tyrosine phosphorylation and capacitation.
The Journal of biological chemistry 1999;274(5):3235-42.
1999: P Leclerc; Gregory S Kopf
Evidence for the role of heterotrimeric guanine nucleotide-binding regulatory proteins in the regulation of the mouse sperm adenylyl cyclase by the egg's zona pellucida.
Journal of andrology 1999;20(1):126-34.
1998: A L Abbott; Z Xu; Gregory S Kopf; Tom Ducibella; Richard M Schultz
In vitro culture retards spontaneous activation of cell cycle progression and cortical granule exocytosis that normally occur in in vivo unfertilized mouse eggs.
Biology of reproduction 1998;59(6):1515-21.
1998: Janice P Evans; Gregory S Kopf
Molecular mechanisms of sperm-egg interactions and egg activation.
Andrologia 1998;30(4-5):297-307.
1998: Stephanie A Connors; M Kanatsu-Shinohara; Richard M Schultz; Gregory S Kopf
Involvement of the cytoskeleton in the movement of cortical granules during oocyte maturation, and cortical granule anchoring in mouse eggs.
Developmental biology 1998;200(1):103-15.
1998: Janice P Evans; Richard M Schultz; Gregory S Kopf
Roles of the disintegrin domains of mouse fertilins alpha and beta in fertilization.
Biology of reproduction 1998;59(1):145-52.
1998: Pablo E Visconti; Gregory S Kopf
Regulation of protein phosphorylation during sperm capacitation.
Biology of reproduction 1998;59(1):1-6.
1998: Carmen J Williams; Lisa M Mehlmann; Laurinda A Jaffe; Gregory S Kopf; Richard M Schultz
Evidence that Gq family G proteins do not function in mouse egg activation at fertilization.
Developmental biology 1998;198(1):116-27.
1998: Pablo E Visconti; Hannah L Galantino-Homer; Grace D Moore; J L Bailey; X Ning; M Fornes; Gregory S Kopf
The molecular basis of sperm capacitation.
Journal of andrology 1998;19(2):242-8.
1998: Alexander J Travis; J A Foster; N A Rosenbaum; Pablo E Visconti; George Gerton; Gregory S Kopf; Stuart B Moss
Targeting of a germ cell-specific type 1 hexokinase lacking a porin-binding domain to the mitochondria as well as to the head and fibrous sheath of murine spermatozoa.
Molecular biology of the cell 1998;9(2):263-76.
1997: Pablo E Visconti; LR Johnson; M Oyaski; Miguel Walter Fornés; Stuart B Moss; George Gerton; Gregory S Kopf
Regulation, localization, and anchoring of protein kinase A subunits during mouse sperm capacitation.
Developmental biology 1997;192(2):351-63.
1997: Z Xu; A Abbott; Gregory S Kopf; Richard M Schultz; Tom Ducibella
Spontaneous activation of ovulated mouse eggs: time-dependent effects on M-phase exit, cortical granule exocytosis, maternal messenger ribonucleic acid recruitment, and inositol 1,4,5-trisphosphate sensitivity.
Biology of reproduction 1997;57(4):743-50.
1997: Janice P Evans; Richard M Schultz; Gregory S Kopf
Characterization of the binding of recombinant mouse sperm fertilin alpha subunit to mouse eggs: evidence for function as a cell adhesion molecule in sperm-egg binding.
Developmental biology 1997;187(1):94-106.
1997: Janice P Evans; Gregory S Kopf; Richard M Schultz
Characterization of the binding of recombinant mouse sperm fertilin beta subunit to mouse eggs: evidence for adhesive activity via an egg beta1 integrin-mediated interaction.
Developmental biology 1997;187(1):79-93.
1997: Hannah L Galantino-Homer; Pablo E Visconti; Gregory S Kopf
Regulation of protein tyrosine phosphorylation during bovine sperm capacitation by a cyclic adenosine 3'5'-monophosphate-dependent pathway.
Biology of reproduction 1997;56(3):707-19.
1996: Z Xu; L Lefevre; Tom Ducibella; Richard M Schultz; Gregory S Kopf
Effects of calcium-BAPTA buffers and the calmodulin antagonist W-7 on mouse egg activation.
Developmental biology 1996;180(2):594-604.
1996: A Carrera; J Moos; X P Ning; George Gerton; J Tesarik; Gregory S Kopf; Stuart B Moss
Regulation of protein tyrosine phosphorylation in human sperm by a calcium/calmodulin-dependent mechanism: identification of A kinase anchor proteins as major substrates for tyrosine phosphorylation.
Developmental biology 1996;180(1):284-96.
1996: G D Moore; T Ayabe; Gregory S Kopf; Richard M Schultz
Temporal patterns of gene expression of G1-S cyclins and cdks during the first and second mitotic cell cycles in mouse embryos.
Molecular reproduction and development 1996;45(3):264-75.
1996: C J Williams; Richard M Schultz; Gregory S Kopf
G protein gene expression during mouse oocyte growth and maturation, and preimplantation embryo development.
Molecular reproduction and development 1996;44(3):315-23.
1996: J Moos; Z Xu; Richard M Schultz; Gregory S Kopf
Regulation of nuclear envelope assembly/disassembly by MAP kinase.
Developmental biology 1996;175(2):358-61.
1996: J Moos; Gregory S Kopf; Richard M Schultz
Cycloheximide-induced activation of mouse eggs: effects on cdc2/cyclin B and MAP kinase activities.
Journal of cell science 1996;109 ( Pt 4)():739-48.
1996: Patricia Olds-Clarke; Stephen H Pilder; Pablo E Visconti; Stuart B Moss; Joanne M Orth; Gregory S Kopf
Sperm from mice carrying two t haplotypes do not possess a tyrosine phosphorylated form of hexokinase.
Molecular reproduction and development 1996;43(1):94-104.
1996: Pablo E Visconti; Patricia Olds-Clarke; Stuart B Moss; Petr Kalab; Alexander J Travis; M de las Heras; Gregory S Kopf
Properties and localization of a tyrosine phosphorylated form of hexokinase in mouse sperm.
Molecular reproduction and development 1996;43(1):82-93.
1995: Janice P Evans; Richard M Schultz; Gregory S Kopf
Mouse sperm-egg plasma membrane interactions: analysis of roles of egg integrins and the mouse sperm homologue of PH-30 (fertilin) beta.
Journal of cell science 1995;108 ( Pt 10)():3267-78.
1995: J Moos; D Faundes; Gregory S Kopf; Richard M Schultz
Composition of the human zona pellucida and modifications following fertilization.
Human reproduction (Oxford, England) 1995;10(9):2467-71.
1995: J Moos; Pablo E Visconti; G D Moore; Richard M Schultz; Gregory S Kopf
Potential role of mitogen-activated protein kinase in pronuclear envelope assembly and disassembly following fertilization of mouse eggs.
Biology of reproduction 1995;53(3):692-9.
1995: G D Moore; Gregory S Kopf; Richard M Schultz
Differential effect of activators of protein kinase C on cytoskeletal changes in mouse and hamster eggs.
Developmental biology 1995;170(2):519-30.
1995: T Ayabe; Gregory S Kopf; Richard M Schultz
Regulation of mouse egg activation: presence of ryanodine receptors and effects of microinjected ryanodine and cyclic ADP ribose on uninseminated and inseminated eggs.
Development (Cambridge, England) 1995;121(7):2233-44.
1995: P Leclerc; Gregory S Kopf
Mouse sperm adenylyl cyclase: general properties and regulation by the zona pellucida.
Biology of reproduction 1995;52(6):1227-33.
1995: Pablo E Visconti; J L Bailey; G D Moore; D Pan; Patricia Olds-Clarke; Gregory S Kopf
Capacitation of mouse spermatozoa. I. Correlation between the capacitation state and protein tyrosine phosphorylation.
Development (Cambridge, England) 1995;121(4):1129-37.
1995: Pablo E Visconti; G D Moore; J L Bailey; P Leclerc; Stephanie A Connors; D Pan; Patricia Olds-Clarke; Gregory S Kopf
Capacitation of mouse spermatozoa. II. Protein tyrosine phosphorylation and capacitation are regulated by a cAMP-dependent pathway.
Development (Cambridge, England) 1995;121(4):1139-50.
1995: X Ning; Cynthia R Ward; Gregory S Kopf
Activation of a Gi protein in digitonin/cholate-solubilized membrane preparations of mouse sperm by the zona pellucida, an egg-specific extracellular matrix.
Molecular reproduction and development 1995;40(3):355-63.
1995: Janice P Evans; Richard M Schultz; Gregory S Kopf
Identification and localization of integrin subunits in oocytes and eggs of the mouse.
Molecular reproduction and development 1995;40(2):211-20.
1995: Richard M Schultz; Gregory S Kopf
Molecular basis of mammalian egg activation.
Current topics in developmental biology 1995;30():21-62.
1994: Cynthia R Ward; Gregory S Kopf; Bayard T Storey
Solubilization and partial purification from mouse sperm membranes of the specific binding activity for 3-quinuclidinyl benzilate, a potent inhibitor of the zona pellucida-induced acrosome reaction.
Molecular reproduction and development 1994;39(4):423-32.
1994: G D Moore; T Ayabe; Pablo E Visconti; Richard M Schultz; Gregory S Kopf
Roles of heterotrimeric and monomeric G proteins in sperm-induced activation of mouse eggs.
Development (Cambridge, England) 1994;120(11):3313-23.
1994: Z Xu; Gregory S Kopf; Richard M Schultz
Involvement of inositol 1,4,5-trisphosphate-mediated Ca2+ release in early and late events of mouse egg activation.
Development (Cambridge, England) 1994;120(7):1851-9.
1994: Cynthia R Ward; Bayard T Storey; Gregory S Kopf
Selective activation of Gi1 and Gi2 in mouse sperm by the zona pellucida, the egg's extracellular matrix.
The Journal of biological chemistry 1994;269(18):13254-8.
1994: J Moos; Petr Kalab; Gregory S Kopf; Richard M Schultz
Rapid, nonradioactive, and quantitative method to analyze zona pellucida modifications in single mouse eggs.
Molecular reproduction and development 1994;38(1):91-3.
1994: Petr Kalab; Pablo E Visconti; P Leclerc; Gregory S Kopf
p95, the major phosphotyrosine-containing protein in mouse spermatozoa, is a hexokinase with unique properties.
The Journal of biological chemistry 1994;269(5):3810-7.
1993: G D Moore; Gregory S Kopf; Richard M Schultz
Complete mouse egg activation in the absence of sperm by stimulation of an exogenous G protein-coupled receptor.
Developmental biology 1993;159(2):669-78.
1993: Petr Kalab; Richard M Schultz; Gregory S Kopf
Modifications of the mouse zona pellucida during oocyte maturation: inhibitory effects of follicular fluid, fetuin, and alpha 2HS-glycoprotein.
Biology of reproduction 1993;49(3):561-7.
1993: Cynthia R Ward; Gregory S Kopf
Molecular events mediating sperm activation.
Developmental biology 1993;158(1):9-34.
1993: Tom Ducibella; S Kurasawa; P Duffy; Gregory S Kopf; Richard M Schultz
Regulation of the polyspermy block in the mouse egg: maturation-dependent differences in cortical granule exocytosis and zona pellucida modifications induced by inositol 1,4,5-trisphosphate and an activator of protein kinase C.
Biology of reproduction 1993;48(6):1251-7.
1992: N S Karnik; S Newman; Gregory S Kopf; George Gerton
Developmental expression of G protein alpha subunits in mouse spermatogenic cells: evidence that G alpha i is associated with the developing acrosome.
Developmental biology 1992;152(2):393-402.
1992: Cynthia R Ward; Bayard T Storey; Gregory S Kopf
Activation of a Gi protein in mouse sperm membranes by solubilized proteins of the zona pellucida, the egg's extracellular matrix.
The Journal of biological chemistry 1992;267(20):14061-7.
1992: K E Pierce; E L Grunvald; Richard M Schultz; Gregory S Kopf
Temporal pattern of synthesis of the mouse cortical granule protein, p75, during oocyte growth and maturation.
Developmental biology 1992;152(1):145-51.
1992: C J Williams; Richard M Schultz; Gregory S Kopf
Role of G proteins in mouse egg activation: stimulatory effects of acetylcholine on the ZP2 to ZP2f conversion and pronuclear formation in eggs expressing a functional m1 muscarinic receptor.
Developmental biology 1992;151(1):288-96.
1992: M W Wilde; Cynthia R Ward; Gregory S Kopf
Activation of a G protein in mouse sperm by the zona pellucida, an egg-associated extracellular matrix.
Molecular reproduction and development 1992;31(4):297-306.
1991: Petr Kalab; Gregory S Kopf; Richard M Schultz
Modifications of the mouse zona pellucida during oocyte maturation and egg activation: effects of newborn calf serum and fetuin.
Biology of reproduction 1991;45(5):783-7.
1991: M Glassner; J Jones; I Kligman; M J Woolkalis; George Gerton; Gregory S Kopf
Immunocytochemical and biochemical characterization of guanine nucleotide-binding regulatory proteins in mammalian spermatozoa.
Developmental biology 1991;146(2):438-50.
1991: I Kligman; M Glassner; Bayard T Storey; Gregory S Kopf
Zona pellucida-mediated acrosomal exocytosis in mouse spermatozoa: characterization of an intermediate stage prior to the completion of the acrosome reaction.
Developmental biology 1991;145(2):344-55.
1990: K E Pierce; M C Siebert; Gregory S Kopf; Richard M Schultz; P G Calarco
Characterization and localization of a mouse egg cortical granule antigen prior to and following fertilization or egg activation.
Developmental biology 1990;141(2):381-92.
1990: Gregory S Kopf
Zona pellucida-mediated signal transduction in mammalian spermatozoa.
Journal of reproduction and fertility. Supplement 1990;42():33-49.
1990: Tom Ducibella; S Kurasawa; S Rangarajan; Gregory S Kopf; Richard M Schultz
Precocious loss of cortical granules during mouse oocyte meiotic maturation and correlation with an egg-induced modification of the zona pellucida.
Developmental biology 1990;137(1):46-55.
1989: S Kurasawa; Richard M Schultz; Gregory S Kopf
Egg-induced modifications of the zona pellucida of mouse eggs: effects of microinjected inositol 1,4,5-trisphosphate.
Developmental biology 1989;133(1):295-304.
1989: J Jones; Gregory S Kopf; Richard M Schultz
Variability in electrophoretic mobility of Gi-like proteins: effect of SDS.
FEBS letters 1989;243(2):409-12.
1989: Gregory S Kopf
Mechanisms of signal transduction in mouse spermatozoa.
Annals of the New York Academy of Sciences 1989;564():289-302.
1988: Y Endo; M A Lee; Gregory S Kopf
Characterization of an islet-activating protein-sensitive site in mouse sperm that is involved in the zona pellucida-induced acrosome reaction.
Developmental biology 1988;129(1):12-24.
1988: J C Nulsen; M J Woolkalis; Gregory S Kopf; Jerome F Strauss
Adenylate cyclase in human cytotrophoblasts: characterization and its role in modulating human chorionic gonadotropin secretion.
The Journal of clinical endocrinology and metabolism 1988;66(2):258-65.
1988: Gregory S Kopf
Regulation of sperm function by guanine nucleotide-binding regulatory proteins (G-proteins).
Progress in clinical and biological research 1988;267():357-86.
1988: Richard M Schultz; Y Endo; P Mattei; S Kurasawa; Gregory S Kopf
Egg-induced modifications of the mouse zona pellucida.
Progress in clinical and biological research 1988;284():77-92.
1987: M A Lee; G S Trucco; K B Bechtol; N Wummer; Gregory S Kopf; L Blasco; Bayard T Storey
Capacitation and acrosome reactions in human spermatozoa monitored by a chlortetracycline fluorescence assay.
Fertility and sterility 1987;48(4):649-58.
1987: Y Endo; P Mattei; Gregory S Kopf; Richard M Schultz
Effects of a phorbol ester on mouse eggs: dissociation of sperm receptor activity from acrosome reaction-inducing activity of the mouse zona pellucida protein, ZP3.
Developmental biology 1987;123(2):574-7.
1986: Gregory S Kopf; M J Woolkalis; George Gerton
Evidence for a guanine nucleotide-binding regulatory protein in invertebrate and mammalian sperm. Identification by islet-activating protein-catalyzed ADP-ribosylation and immunochemical methods.
The Journal of biological chemistry 1986;261(16):7327-31.