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3IBD

Crystal structure of a cytochrome P450 2B6 genetic variant in complex with the inhibitor 4-(4-chlorophenyl)imidazole

Functional Information from GO Data
ChainGOidnamespacecontents
A0004497molecular_functionmonooxygenase activity
A0005506molecular_functioniron ion binding
A0005737cellular_componentcytoplasm
A0005789cellular_componentendoplasmic reticulum membrane
A0006629biological_processlipid metabolic process
A0006805biological_processxenobiotic metabolic process
A0008202biological_processsteroid metabolic process
A0008390molecular_functiontestosterone 16-alpha-hydroxylase activity
A0008392molecular_functionarachidonate epoxygenase activity
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
A0019373biological_processepoxygenase P450 pathway
A0020037molecular_functionheme binding
A0042178biological_processxenobiotic catabolic process
A0042180biological_processketone metabolic process
A0046872molecular_functionmetal ion binding
A0062184molecular_functiontestosterone 16-beta-hydroxylase activity
A0062187molecular_functionanandamide 8,9 epoxidase activity
A0062188molecular_functionanandamide 11,12 epoxidase activity
A0062189molecular_functionanandamide 14,15 epoxidase activity
A0101021molecular_functionestrogen 2-hydroxylase activity
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM A 500
ChainResidue
AHOH14
ATHR303
ATHR306
AGLN357
ALEU363
AVAL367
AHIS369
ALEU392
APRO428
APHE429
ASER430
AARG98
AARG434
ACYS436
ALEU437
AGLY438
ACPZ501
AVAL113
AILE114
ATRP121
AARG125
AALA298
AGLY299
ATHR302

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CPZ A 501
ChainResidue
APHE297
AALA298
ATHR302
AVAL367
AHOH497
AHEM500

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CM5 A 1001
ChainResidue
APHE188
AGLU194
AMET198
APHE202
ATYR244
APHE296

site_idAC4
Number of Residues2
DetailsBINDING SITE FOR RESIDUE CM5 A 1002
ChainResidue
AASP47
ALEU51

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SCN A 1003
ChainResidue
ALYS91
AALA92
AGLU93
AALA94
ASER461
APRO462

site_idAC6
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SCN A 1004
ChainResidue
AALA321
AGLU322
AMET459
AARG491
AHOH607

site_idAC7
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SCN A 1005
ChainResidue
ATYR317
APRO318
AHIS319

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SCN A 1006
ChainResidue
AARG57
APHE58
ALYS61

Functional Information from PROSITE/UniProt
site_idPS00086
Number of Residues10
DetailsCYTOCHROME_P450 Cytochrome P450 cysteine heme-iron ligand signature. FSlGKRICLG
ChainResidueDetails
APHE429-GLY438

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsBinding site: {"description":"axial binding residue"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by PKA","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

242842

PDB entries from 2025-10-08

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