Annotations: 2PQS

Crystal Structure of the Bovine Lactadherin C2 Domain

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)
D	d2pqsd1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
D	d2pqsd2	Artifacts	Tags	Tags	Tags	N-terminal Tags	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
C	d2pqsc1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
C	d2pqsc2	Artifacts	Tags	Tags	Tags	N-terminal Tags	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
B	d2pqsb1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
B	d2pqsb2	Artifacts	Tags	Tags	Tags	N-terminal Tags	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
A	d2pqsa1	All beta proteins	Galactose-binding domain-like	Galactose-binding domain-like	automated matches	automated matches	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
A	d2pqsa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
D	SCOP2B Superfamily	galactose-binding domain-like	8069037	3000087	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	galactose-binding domain-like	8069037	3000087	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	galactose-binding domain-like	8069037	3000087	SCOP2B (2022-06-29)
A	SCOP2 Family	Discoidin domain (fa58c, coagulation factor 5/8 c-terminal domain)	8069036	4002473	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	galactose-binding domain-like	8069037	3000087	SCOP2 (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	CsrA	e2pqsD1	A: beta barrels	X: HTH	H: Nudix	T: Nudix	F: CsrA	ECOD (v294.2)
C	CsrA	e2pqsC1	A: beta barrels	X: HTH	H: Nudix	T: Nudix	F: CsrA	ECOD (v294.2)
B	CsrA	e2pqsB1	A: beta barrels	X: HTH	H: Nudix	T: Nudix	F: CsrA	ECOD (v294.2)
A	PSI_integrin	e2pqsA1	A: beta barrels	X: Profilin-like	H: sensor domains	T: sensor domains	F: PSI_integrin	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
D	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)
C	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)
B	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)
A	2.60.120.260	Mainly Beta	Sandwich	Jelly Rolls	Galactose-binding domain-like	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF00754	F5/8 type C domain (F5_F8_type_C)	F5/8 type C domain	This domain is also known as the discoidin (DS) domain family [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Lactadherin	modified amino acid binding binding ion binding anion binding phospholipid binding lipid binding phosphatidylserine binding small molecule binding	sexual reproduction reproductive process fertilization single fertilization developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development anatomical structure morphogenesis multicellular organism development tube morphogenesis sexual reproduction reproductive process fertilization single fertilization developmental process multicellular organismal process blood vessel morphogenesis tube development angiogenesis vasculature development circulatory system development anatomical structure morphogenesis multicellular organism development tube morphogenesis anatomical structure formation involved in morphogenesis anatomical structure development blood vessel development system development cell adhesion cellular process	membrane-bounded organelle acrosomal vesicle intracellular anatomical structure membrane intracellular vesicle acrosomal membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle membrane-bounded organelle acrosomal vesicle intracellular anatomical structure membrane intracellular vesicle acrosomal membrane intracellular membrane-bounded organelle endomembrane system intracellular organelle cytoplasmic vesicle membrane cellular anatomical structure bounding membrane of organelle vesicle membrane cytoplasmic vesicle organelle secretory granule secretory vesicle cytoplasm vesicle organelle membrane secretory granule membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR000421	Coagulation factor 5/8, C-terminal domain	Domain
A, B, C, D	IPR008979	Galactose-binding-like domain superfamily	Homologous Superfamily
A, B, C, D	IPR050633	Neuropilin/Multicopper Oxidase/Coagulation Factor	Family
A, B, C, D	IPR000742	EGF-like domain	Domain

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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.