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4JLT

Crystal structure of P450 2B4(H226Y) in complex with paroxetine

Functional Information from GO Data
ChainGOidnamespacecontents
A0004497molecular_functionmonooxygenase activity
A0005506molecular_functioniron ion binding
A0005737cellular_componentcytoplasm
A0005783cellular_componentendoplasmic reticulum
A0005789cellular_componentendoplasmic reticulum membrane
A0006082biological_processorganic acid metabolic process
A0006805biological_processxenobiotic metabolic process
A0008392molecular_functionarachidonate epoxygenase activity
A0016020cellular_componentmembrane
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
A0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM A 501
ChainResidue
AARG98
ATHR306
AILE363
AVAL367
AHIS369
APRO428
APHE429
ASER430
AARG434
ACYS436
AGLY438
AILE114
AALA442
A8PR505
AHOH710
AHOH757
AHOH812
ATRP121
AARG125
AILE179
AALA298
AGLY299
ATHR302
ATHR303

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE CM5 A 502
ChainResidue
ASER176
APHE184
ALYS186
APHE188
APHE195
APHE202
APHE296
AGLU466
APO4512

site_idAC3
Number of Residues12
DetailsBINDING SITE FOR RESIDUE CM5 A 503
ChainResidue
AGLU250
ALEU269
AGLU273
AHIS285
AHIS319
AGLU322
ALEU489
AALA490
AHOH719
AHOH775
AHOH776
AHOH806

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CM5 A 504
ChainResidue
ALEU43
ALEU44
AMET46
AASP47
AGLY50
AVAL216

site_idAC5
Number of Residues11
DetailsBINDING SITE FOR RESIDUE 8PR A 505
ChainResidue
AILE101
AILE114
APHE206
AGLU218
APHE297
AGLU301
APHE365
AGLY366
AVAL367
AVAL477
AHEM501

site_idAC6
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 506
ChainResidue
ALYS276
AARG491
AHOH776
AHOH789

site_idAC7
Number of Residues2
DetailsBINDING SITE FOR RESIDUE SO4 A 507
ChainResidue
AHIS319
AARG323

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 A 508
ChainResidue
AARG343
AALA344
AHOH683

site_idAC9
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 A 509
ChainResidue
ATHR404
APRO405
AASN406
ATHR407

site_idBC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE GOL A 510
ChainResidue
AASP90
AGLN91
AALA92
AGLU93
AALA94
ALYS433

site_idBC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PO4 A 511
ChainResidue
ASER213
AGLY229
ATHR230

site_idBC3
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 A 512
ChainResidue
ASER248
ALYS251
AHIS252
ACM5502
AHOH797

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: axial binding residue
ChainResidueDetails
AGLN455

site_idSWS_FT_FI2
Number of Residues1
DetailsMOD_RES: Phosphoserine; by PKA => ECO:0000250|UniProtKB:P00176
ChainResidueDetails
AGLN147

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PDB entries from 2025-06-11

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