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6CIG

CRYSTAL STRUCTURE ANALYSIS OF SELENOMETHIONINE SUBSTITUTED ISOFLAVONE O-METHYLTRANSFERASE

Replaces:  1FPX
Functional Information from GO Data
ChainGOidnamespacecontents
A0008168molecular_functionmethyltransferase activity
A0008171molecular_functionO-methyltransferase activity
A0008757molecular_functionS-adenosylmethionine-dependent methyltransferase activity
A0009717biological_processisoflavonoid biosynthetic process
A0016740molecular_functiontransferase activity
A0032259biological_processmethylation
A0033800molecular_functionisoflavone 7-O-methyltransferase activity
A0046983molecular_functionprotein dimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues8
Detailsbinding site for residue GOL A 401
ChainResidue
AGLN17
AASP171
ALEU174
ATYR254
ATHR342
AGLY343
APHE344
AHOH534

site_idAC2
Number of Residues5
Detailsbinding site for residue GOL A 402
ChainResidue
AASN43
AASN47
AARG105
AHOH794
AASN40

site_idAC3
Number of Residues14
Detailsbinding site for residue T3A A 403
ChainResidue
AGLY149
APHE150
ATRP151
AASP152
AASP239
APHE241
AARG266
AHOH582
AHOH639
AHOH660
AHOH667
AHOH736
AHOH765
AHOH796

site_idAC4
Number of Residues5
Detailsbinding site for residue SO4 A 404
ChainResidue
AARG72
AARG73
AHOH547
AHOH646
AHOH785

site_idAC5
Number of Residues5
Detailsbinding site for residue SO4 A 405
ChainResidue
AARG76
ALYS293
AHOH515
AHOH538
AHOH570

site_idAC6
Number of Residues6
Detailsbinding site for residue SO4 A 406
ChainResidue
AASN56
ALYS212
AHOH563
AHOH592
AHOH659
AHOH781

site_idAC7
Number of Residues10
Detailsbinding site for residue PG4 A 407
ChainResidue
APHE27
APHE27
AMSE31
AMSE31
ASER124
ASER124
AGLY125
AHIS128
AHIS128
AHOH727

site_idAC8
Number of Residues18
Detailsbinding site for residue SAH A 408
ChainResidue
ATRP151
AMSE168
AGLY196
AASP219
AARG220
AASP239
AMSE240
APHE241
ALYS253
ATYR254
AHOH522
AHOH608
AHOH619
AHOH625
AHOH626
AHOH629
AHOH667
AHOH788

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsActive site: {"description":"Proton acceptor"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues14
DetailsBinding site: {}
ChainResidueDetails

246704

PDB entries from 2025-12-24

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