2V3N | pdb_00002v3n

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Six-hairpin glycosidases	8051864	3000970	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Transcobalamin C-terminal domain-like	8051866	3002041	SCOP2B (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A		e2v3nA2	A: HTH	X: HTH	H: tetra-helical, lambda repressor-like	T: Rpf1_C	F:	ECOD (20:10:01)
A		e2v3nA3	A: RuvA-C	X: post-HMGL domain-like	H: post-HMGL domain-like	T: Cobalamin_bind	F:	ECOD (20:10:01)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.50.10.20	Mainly Alpha	Alpha/alpha barrel	Glycosyltransferase		CATH (4.3.0)
A	2.170.130.30	Mainly Beta	Beta Complex	Ferric Hydroxamate Uptake Protein	Chain A, domain 1	CATH (4.3.0)

Chains	Accession	Name	Description	Comments	Source
A	PF01122	Eukaryotic cobalamin-binding protein (Cobalamin_bind)	Eukaryotic cobalamin-binding protein	-	Repeat

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	TRANSCOBALAMIN-2	vitamin binding binding cobalamin binding tetrapyrrole binding heterocyclic compound binding small molecule binding cation binding ion binding metal ion binding	localization nitrogen compound transport transport vitamin transport cobalamin transport establishment of localization monoatomic ion transmembrane transport metal ion transport cobalt ion transport monoatomic cation transmembrane transport transmembrane transport transition metal ion transport monoatomic ion transport cellular process localization nitrogen compound transport transport vitamin transport cobalamin transport establishment of localization monoatomic ion transmembrane transport metal ion transport cobalt ion transport monoatomic cation transmembrane transport transmembrane transport transition metal ion transport monoatomic ion transport cellular process monoatomic cation transport	cellular anatomical structure extracellular region extracellular space

Chains	Accession	Name	Type
A	IPR002157	Cobalamin (vitamin B12)-binding protein	Family
A	IPR051588	Eukaryotic Cobalamin Transport	Family

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.

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