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

1XQD

Crystal structure of P450NOR complexed with 3-pyridinealdehyde adenine dinucleotide

Functional Information from GO Data
ChainGOidnamespacecontents
A0004497molecular_functionmonooxygenase activity
A0005506molecular_functioniron ion binding
A0016491molecular_functionoxidoreductase activity
A0016705molecular_functionoxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen
A0020037molecular_functionheme binding
A0046872molecular_functionmetal ion binding
A0102199molecular_functionnitric oxide reductase [NAD(P)H] activity
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE HEM A 501
ChainResidue
ALYS62
ATHR243
AMET244
AALA289
AILE290
AARG292
AGLY344
APHE345
AGLY346
AHIS350
ACYS352
APHE86
AILE353
AALA354
ADND502
AHOH580
AHOH661
AVAL87
AHIS94
AARG98
APHE105
AILE153
AALA239
AGLY240

site_idAC2
Number of Residues29
DetailsBINDING SITE FOR RESIDUE DND A 502
ChainResidue
AARG64
AGLY75
AGLY76
AGLN78
AALA79
AVAL87
AARG174
ATHR175
AALA184
AASN188
AALA239
AGLY240
ATHR243
ASER286
AALA289
AHEM501
AHOH525
AHOH541
AHOH556
AHOH565
AHOH568
AHOH580
AHOH582
AHOH608
AHOH621
AHOH646
AHOH715
AHOH737
AHOH789

Functional Information from PROSITE/UniProt
site_idPS00086
Number of Residues10
DetailsCYTOCHROME_P450 Cytochrome P450 cysteine heme-iron ligand signature. FGfGDHRCIA
ChainResidueDetails
APHE345-ALA354

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

Catalytic Information from CSA
site_idCSA1
Number of Residues2
Detailsa catalytic site defined by CSA, PubMed 15313618
ChainResidueDetails
ASER286
AASP393

site_idMCSA1
Number of Residues4
DetailsM-CSA 473
ChainResidueDetails
ATHR243steric role
ASER286proton shuttle (general acid/base)
ACYS352activator, metal ligand
AASP393proton shuttle (general acid/base)

249697

PDB entries from 2026-02-25

PDB statisticsPDBj update infoContact PDBjnumon