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5T6Q

Structure of cytochrome P450 4B1 (CYP4B1) complexed with octane: An n-Alkane and fatty acid omega-hydroxylase with a covalently bound heme

Functional Information from GO Data
ChainGOidnamespacecontents
A0004497molecular_functionmonooxygenase activity
A0005506molecular_functioniron ion binding
A0005789cellular_componentendoplasmic reticulum membrane
A0016491molecular_functionoxidoreductase activity
A0016705molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
A0016712molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen
A0020037molecular_functionheme binding
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues23
Detailsbinding site for residue HEM A 600
ChainResidue
ALYS105
AVAL375
AVAL378
APRO440
APHE441
AARG446
AASN447
ACYS448
AGLY450
APHE453
AALA454
ATYR110
AMET458
AOCT601
AHOH705
AHOH708
ALEU121
ATRP129
AARG133
APHE140
AGLU310
AGLY311
APRO374

site_idAC2
Number of Residues2
Detailsbinding site for residue OCT A 601
ChainResidue
ATHR314
AHEM600

Functional Information from PROSITE/UniProt
site_idPS00086
Number of Residues10
DetailsCYTOCHROME_P450 Cytochrome P450 cysteine heme-iron ligand signature. FSaGPRNCIG
ChainResidueDetails
APHE441-GLY450

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBinding site: {"description":"covalent","evidences":[{"source":"UniProtKB","id":"P51869","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsBinding site: {"description":"axial binding residue","evidences":[{"source":"UniProtKB","id":"P51869","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"P20816","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

245663

PDB entries from 2025-12-03

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