Annotations: 6HT9

Mouse fetuin-B in complex with crayfish astacin

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
C	d6ht9c_	Alpha and beta proteins (a+b)	Zincin-like	Metalloproteases ('zincins'), catalytic domain	Astacin	automated matches	(Astacus astacus ) [TaxId: 6715 ],	SCOPe (2.08)
A	d6ht9a_	Alpha and beta proteins (a+b)	Zincin-like	Metalloproteases ('zincins'), catalytic domain	Astacin	automated matches	(Astacus astacus ) [TaxId: 6715 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
C	SCOP2B Superfamily	Metalloproteases (zincins), catalytic domain	8035471	3001975	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Metalloproteases (zincins), catalytic domain	8035471	3001975	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	LlgE_F_G_D1	e6ht9D1	A: alpha arrays	X: Hypothetical protein YqbG-like	H: Hypothetical protein YqbG-like	T: alpha/beta-Hydrolases	F: LlgE_F_G_D1	ECOD (v295.2)
B	Cystatin	e6ht9B01	A: alpha arrays	X: Rossmann-like	H: Rossmann-related	T: FAD/NAD(P)-binding domain	F: Cystatin	ECOD (v295.2)
C	MS_channel_2nd	e6ht9C1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F: MS_channel_2nd	ECOD (v295.2)
A		e6ht9A1	A: alpha arrays	X: PriB N-terminal domain-like	H: Ubiquitin-related	T: Ubiquitin-like	F:	ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (utative)
B	3.10.450.10	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (utative)
C	3.40.390.10	Alpha Beta	3-Layer(aba) Sandwich	Collagenase (Catalytic Domain)	Collagenase (Catalytic Domain)	CATH (4.3.0)
A	3.40.390.10	Alpha Beta	3-Layer(aba) Sandwich	Collagenase (Catalytic Domain)	Collagenase (Catalytic Domain)	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B, D	PF00031	Cystatin domain (Cystatin)	Cystatin domain	Very diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q1 ...	Very diverse family. Attempts to define separate sub-families failed. Typically, either the N-terminal or C-terminal end is very divergent. But splitting into two domains would make very short families. All members except Swiss:Q03196 and Swiss:Q10993 are found. Pfam:PF00666 are related to this family but have not been included.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	Fetuin-B	enzyme regulator activity molecular function inhibitor activity peptidase regulator activity molecular function regulator activity enzyme inhibitor activity cysteine-type endopeptidase inhibitor activity peptidase inhibitor activity endopeptidase regulator activity endopeptidase inhibitor activity metalloendopeptidase inhibitor activity	negative regulation of hydrolase activity regulation of cellular process negative regulation of proteolysis regulation of catalytic activity negative regulation of biological process negative regulation of catalytic activity negative regulation of endopeptidase activity regulation of primary metabolic process negative regulation of peptidase activity regulation of proteolysis proteolysis regulation of endopeptidase activity negative regulation of cellular process protein metabolic process negative regulation of hydrolase activity regulation of cellular process negative regulation of proteolysis regulation of catalytic activity negative regulation of biological process negative regulation of catalytic activity negative regulation of endopeptidase activity regulation of primary metabolic process negative regulation of peptidase activity regulation of proteolysis proteolysis regulation of endopeptidase activity negative regulation of cellular process protein metabolic process negative regulation of protein metabolic process negative regulation of macromolecule metabolic process regulation of biological process regulation of protein metabolic process negative regulation of metabolic process regulation of peptidase activity biological regulation negative regulation of molecular function primary metabolic process regulation of macromolecule metabolic process regulation of molecular function regulation of hydrolase activity metabolic process cellular process macromolecule metabolic process regulation of metabolic process sexual reproduction reproductive process fertilization single fertilization sperm-egg recognition cell-cell recognition binding of sperm to zona pellucida cell recognition	cellular anatomical structure extracellular region
A, C	Astacin	peptidase activity catalytic activity, acting on a protein hydrolase activity glutamic-type peptidase activity catalytic activity metalloendopeptidase activity metallopeptidase activity endopeptidase activity aspartic-type peptidase activity cation binding transition metal ion binding zinc ion binding ion binding binding peptidase activity catalytic activity, acting on a protein hydrolase activity glutamic-type peptidase activity catalytic activity metalloendopeptidase activity metallopeptidase activity endopeptidase activity aspartic-type peptidase activity cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding	sexual reproduction reproductive process fertilization cell adhesion cellular process regulation of biological process regulation of cellular process cell-cell recognition regulation of reproductive process binding of sperm to zona pellucida biological regulation negative regulation of biological process regulation of binding of sperm to zona pellucida sperm-egg recognition sexual reproduction reproductive process fertilization cell adhesion cellular process regulation of biological process regulation of cellular process cell-cell recognition regulation of reproductive process binding of sperm to zona pellucida biological regulation negative regulation of biological process regulation of binding of sperm to zona pellucida sperm-egg recognition negative regulation of reproductive process negative regulation of binding of sperm to zona pellucida negative regulation of cellular process cell recognition single fertilization multicellular organismal process egg activation cell activation regulation of fertilization negative regulation of fertilization prevention of polyspermy regulation of protein maturation positive regulation of protein maturation positive regulation of protein metabolic process positive regulation of biological process positive regulation of macromolecule biosynthetic process positive regulation of protein processing protein maturation regulation of primary metabolic process positive regulation of metabolic process regulation of proteolysis positive regulation of biosynthetic process proteolysis positive regulation of macromolecule metabolic process protein metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of protein metabolic process primary metabolic process regulation of macromolecule metabolic process gene expression macromolecule biosynthetic process regulation of gene expression biosynthetic process positive regulation of gene expression positive regulation of proteolysis regulation of protein processing protein processing metabolic process regulation of macromolecule biosynthetic process macromolecule metabolic process regulation of metabolic process	membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle cortical granule membrane-bounded organelle intracellular anatomical structure intracellular vesicle intracellular membrane-bounded organelle endomembrane system intracellular organelle cellular anatomical structure cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle cortical granule cell periphery plasma membrane membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
B, D	IPR025764	Fetuin-B-type cystatin domain	Domain
B, D	IPR050735	Kininogen/Fetuin/Histidine-rich Glycoprotein	Family
B, D	IPR000010	Cystatin domain	Domain
B, D	IPR046350	Cystatin superfamily	Homologous Superfamily
B, D	IPR001363	Proteinase inhibitor I25C, fetuin, conserved site	Conserved Site
A, C	IPR006026	Peptidase, metallopeptidase	Domain
A, C	IPR024079	Metallopeptidase, catalytic domain superfamily	Homologous Superfamily
A, C	IPR001506	Peptidase M12A	Domain
A, C	IPR034035	Astacin-like metallopeptidase domain	Domain