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4HIN

2.4A Resolution Structure of Bovine Cytochrome b5 (S71L)

Functional Information from GO Data
ChainGOidnamespacecontents
A0020037molecular_functionheme binding
B0020037molecular_functionheme binding
C0020037molecular_functionheme binding
D0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues14
DetailsBINDING SITE FOR RESIDUE HEM A 101
ChainResidue
ALEU32
AVAL61
AHIS63
ASER64
AALA67
ALEU71
APHE35
AHIS39
APRO40
AGLY41
AVAL45
ALEU46
AGLN49
APHE58

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CU A 102
ChainResidue
AHIS26
CALA3
CVAL4

site_idAC3
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM B 101
ChainResidue
BLEU32
BPHE35
BHIS39
BPRO40
BGLY41
BVAL45
BLEU46
BGLN49
BALA54
BPHE58
BVAL61
BHIS63
BSER64
BLEU71
DLYS19

site_idAC4
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CU B 102
ChainResidue
BHIS26

site_idAC5
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM C 101
ChainResidue
CLEU32
CPHE35
CHIS39
CPRO40
CGLY41
CLEU46
CPHE58
CVAL61
CHIS63
CSER64
CALA67
CLEU71
CPHE74

site_idAC6
Number of Residues3
DetailsBINDING SITE FOR RESIDUE CU C 102
ChainResidue
CHIS26
DALA3
DVAL4

site_idAC7
Number of Residues15
DetailsBINDING SITE FOR RESIDUE HEM D 101
ChainResidue
DLEU23
DPHE35
DHIS39
DPRO40
DGLY41
DLEU46
DGLN49
DALA54
DPHE58
DVAL61
DHIS63
DSER64
DALA67
DLEU71
DHOH206

site_idAC8
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CU D 102
ChainResidue
DHIS26

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

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues304
DetailsDomain: {"description":"Cytochrome b5 heme-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues8
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15299727","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues8
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P56395","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

239149

PDB entries from 2025-07-23

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