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4TPN

High-resolution structure of TxtE in the absence of substrate

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
Functional Information from PDB Data
site_idAC1
Number of Residues23
Detailsbinding site for residue HEM A 501
ChainResidue
AVAL87
ATHR296
AARG298
ALEU321
ASER349
APHE350
AGLY351
AVAL354
AHIS355
ACYS357
AALA359
AMET88
AILE363
AHOH723
AHOH745
AHOH848
AHIS95
AARG99
AALA245
ATHR250
ATHR251
ASER254
AASN293

site_idAC2
Number of Residues6
Detailsbinding site for residue GOL A 502
ChainResidue
AASP280
ASER364
ALEU365
AHOH727
AHOH769
AHOH972

site_idAC3
Number of Residues7
Detailsbinding site for residue GOL A 503
ChainResidue
AASN284
AALA360
AGLN361
ASER364
AHOH769
AHOH834
AHOH905

site_idAC4
Number of Residues6
Detailsbinding site for residue GOL A 504
ChainResidue
AMET330
APHE331
AGLU332
AARG341
APRO342
AASN343

site_idAC5
Number of Residues6
Detailsbinding site for residue GOL A 505
ChainResidue
ATHR2
APRO4
APRO266
AGLU270
AHOH651
AHOH699

site_idAC6
Number of Residues6
Detailsbinding site for residue SO4 A 506
ChainResidue
ATYR175
AASN390
AGLU391
AASN392
AARG399
ALI507

site_idAC7
Number of Residues4
Detailsbinding site for residue LI A 507
ChainResidue
AASN390
AARG399
ASO4506
AHOH942

site_idAC8
Number of Residues5
Detailsbinding site for residue SO4 A 508
ChainResidue
AARG168
AHOH612
AHOH619
AHOH624
AHOH994

site_idAC9
Number of Residues5
Detailsbinding site for residue SO4 A 509
ChainResidue
AARG103
ATHR107
AARG108
ASO4510
AHOH756

site_idAD1
Number of Residues6
Detailsbinding site for residue SO4 A 510
ChainResidue
ATHR107
AALA109
ASO4509
AHOH713
AHOH756
AHOH867

site_idAD2
Number of Residues6
Detailsbinding site for residue SO4 A 511
ChainResidue
AMET173
ATHR174
ATYR175
AASN392
AGLU394
APHE395

Functional Information from PROSITE/UniProt
site_idPS00086
Number of Residues10
DetailsCYTOCHROME_P450 Cytochrome P450 cysteine heme-iron ligand signature. FGqGVHACLA
ChainResidueDetails
APHE350-ALA359

247536

PDB entries from 2026-01-14

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