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6J1O

Crystal structure of a SAM-dependent methyltransferase LepI from Aspergillus flavus

Functional Information from GO Data
ChainGOidnamespacecontents
A0008168molecular_functionmethyltransferase activity
A0008171molecular_functionO-methyltransferase activity
A0016740molecular_functiontransferase activity
A0032259biological_processmethylation
A0044550biological_processsecondary metabolite biosynthetic process
A0046983molecular_functionprotein dimerization activity
B0008168molecular_functionmethyltransferase activity
B0008171molecular_functionO-methyltransferase activity
B0016740molecular_functiontransferase activity
B0032259biological_processmethylation
B0044550biological_processsecondary metabolite biosynthetic process
B0046983molecular_functionprotein dimerization activity
Functional Information from PDB Data
site_idAC1
Number of Residues18
Detailsbinding site for residue SAM A 401
ChainResidue
AGLY227
AARG291
ALEU292
AHOH577
AHOH591
AHOH593
AHOH635
AHOH647
AHOH653
AHOH694
AGLY229
AASP252
ALEU253
AVAL256
AHIS274
AASN275
APHE276
AHIS277

site_idAC2
Number of Residues9
Detailsbinding site for residue MTA A 402
ChainResidue
AHIS133
ALEU138
AALA345
AHOH651
AHOH685
AHOH757
BMET45
BLEU49
BHOH633

site_idAC3
Number of Residues19
Detailsbinding site for residue SAM B 401
ChainResidue
BLEU193
BGLY227
BGLY229
BASP252
BLEU253
BVAL256
BHIS274
BASN275
BPHE276
BHIS277
BARG291
BLEU292
BILE293
BHOH530
BHOH531
BHOH581
BHOH616
BHOH645
BHOH681

site_idAC4
Number of Residues7
Detailsbinding site for residue MTA B 402
ChainResidue
ALEU49
BHIS133
BLEU138
BPHE176
BCYS341
BLEU346
BHOH509

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsRegion: {"description":"Substrate binding","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues26
DetailsBinding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsBinding site: {"evidences":[{"source":"UniProtKB","id":"O04385","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU01020","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

238895

PDB entries from 2025-07-16

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