Annotations: 8RKI

Molecular basis of ZP3/ZP1 heteropolymerization: crystal structure of a native vertebrate egg coat filament fragment

External Resource: Annotation

Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	WD40	e8rkiB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)
A	WD40	e8rkiA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: acid protease	F: WD40	ECOD (v294.2)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B	PF00100	ZP-C domain (Zona_pellucida)	ZP-C domain	This entry represents the ZP-C domain that is the C-terminal structural domain that composes the zona pellucida domain that was originally defined by sequence.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Choriogenin H	-	sexual reproduction reproductive process fertilization single fertilization	extracellular matrix cellular anatomical structure external encapsulating structure extracellular region egg coat specialized extracellular matrix cell periphery plasma membrane membrane
B	Choriogenin H	-	sexual reproduction reproductive process fertilization single fertilization	extracellular matrix cellular anatomical structure external encapsulating structure extracellular region egg coat specialized extracellular matrix cell periphery plasma membrane membrane
A	Zona pellucida sperm-binding protein 3	structural constituent of egg coat structural molecule activity extracellular matrix structural constituent	regulation of biological process sexual reproduction regulation of reproductive process reproductive process fertilization biological regulation positive regulation of biological process positive regulation of acrosome reaction acrosome reaction regulation of acrosome reaction single fertilization positive regulation of reproductive process developmental process egg coat formation regulation of biological process sexual reproduction regulation of reproductive process reproductive process fertilization biological regulation positive regulation of biological process positive regulation of acrosome reaction acrosome reaction regulation of acrosome reaction single fertilization positive regulation of reproductive process developmental process egg coat formation cellular developmental process oogenesis multicellular organismal reproductive process cell development cellular process involved in reproduction in multicellular organism developmental process involved in reproduction female gamete generation gamete generation cell differentiation anatomical structure development germ cell development cellular process sperm-egg recognition cell-cell recognition binding of sperm to zona pellucida cell recognition	extracellular matrix cellular anatomical structure external encapsulating structure extracellular region egg coat specialized extracellular matrix cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR044913	P-type trefoil domain superfamily	Homologous Superfamily
C	IPR017977	Zona pellucida domain, conserved site	Conserved Site
C	IPR055355	ZP-C domain	Domain
C	IPR001507	Zona pellucida domain	Domain
C	IPR017957	P-type trefoil, conserved site	Conserved Site
C	IPR000519	P-type trefoil domain	Domain
C	IPR042235	Zona pellucida, ZP-C domain	Homologous Superfamily
C	IPR051148	Zona Pellucida Domain Glycoprotein	Family
C	IPR055356	ZP-N domain	Domain
B	IPR044913	P-type trefoil domain superfamily	Homologous Superfamily
B	IPR017977	Zona pellucida domain, conserved site	Conserved Site
B	IPR055355	ZP-C domain	Domain
B	IPR001507	Zona pellucida domain	Domain
B	IPR017957	P-type trefoil, conserved site	Conserved Site
B	IPR000519	P-type trefoil domain	Domain
B	IPR042235	Zona pellucida, ZP-C domain	Homologous Superfamily
B	IPR051148	Zona Pellucida Domain Glycoprotein	Family
B	IPR055356	ZP-N domain	Domain
A	IPR055355	ZP-C domain	Domain
A	IPR048290	Zona pellucida domain, chordate-type	Domain
A	IPR001507	Zona pellucida domain	Domain
A	IPR042235	Zona pellucida, ZP-C domain	Homologous Superfamily
A	IPR055356	ZP-N domain	Domain

RCSB PDB is hosted by

RCSB PDB is a member of

RCSB Partners
Nucleic Acid Knowledgebase

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.

8RKI | pdb_00008rki

Molecular basis of ZP3/ZP1 heteropolymerization: crystal structure of a native vertebrate egg coat filament fragment

External Resource: Annotation

Domain Annotation: ECOD Classification ECOD Database Homepage

Protein Family Annotation Pfam Database Homepage

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

InterPro: Protein Family Classification InterPro Database Homepage