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1AWP

RAT OUTER MITOCHONDRIAL MEMBRANE CYTOCHROME B5

Functional Information from GO Data
ChainGOidnamespacecontents
A0020037molecular_functionheme binding
B0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues12
DetailsBINDING SITE FOR RESIDUE HEM A 201
ChainResidue
AILE32
AHOH233
BPRO65
BARG68
APHE35
AHIS39
APRO40
ALEU46
ASER57
ALEU61
AHIS63
ASER64

site_idAC2
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM B 201
ChainResidue
BILE25
BARG34
BPHE35
BHIS39
BPRO40
BLEU45
BLEU46
BPHE58
BLEU61
BHIS63
BSER64
BALA67
BMET70
BLEU71

Functional Information from PROSITE/UniProt
site_idPS00191
Number of Residues8
DetailsCYTOCHROME_B5_1 Cytochrome b5 family, heme-binding domain signature. FLSEHPGG
ChainResidueDetails
APHE35-GLY42

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues152
DetailsDomain: {"description":"Cytochrome b5 heme-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"O43169","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"Q9CQX2","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

250835

PDB entries from 2026-03-18

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