Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1B5B

RAT FERROCYTOCHROME B5 B CONFORMATION, NMR, 1 STRUCTURE

Functional Information from GO Data
ChainGOidnamespacecontents
A0020037molecular_functionheme binding
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR RESIDUE HEM A 95
ChainResidue
AVAL23
AVAL61
AHIS63
ASER64
ASER71
APHE35
AHIS39
APRO40
AGLY41
AVAL45
ALEU46
AALA54
AASN57

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 Residues76
DetailsDomain: {"description":"Cytochrome b5 heme-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00279","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P56395","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

244349

PDB entries from 2025-11-05

PDB statisticsPDBj update infoContact PDBjnumon