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6C9U

Crystal structure of [KS3][AT3] didomain from module 3 of 6-deoxyerthronolide B synthase in complex with antibody fragment (Fab)

Functional Information from GO Data
ChainGOidnamespacecontents
A0004315molecular_function3-oxoacyl-[acyl-carrier-protein] synthase activity
A0006633biological_processfatty acid biosynthetic process
A0016740molecular_functiontransferase activity
A0016746molecular_functionacyltransferase activity
Functional Information from PDB Data
site_idAC1
Number of Residues6
Detailsbinding site for residue K A 1001
ChainResidue
AASP300
ASER303
ALEU306
AALA308
AHOH1286
AHOH1495

site_idAC2
Number of Residues5
Detailsbinding site for residue NA A 1002
ChainResidue
AGLY848
AGLU850
AVAL843
AGLU844
AALA846

site_idAC3
Number of Residues6
Detailsbinding site for residue NA A 1003
ChainResidue
AALA543
AALA545
AVAL548
AHOH1287
AHOH1377
AHOH1489

Functional Information from PROSITE/UniProt
site_idPS00606
Number of Residues17
DetailsKS3_1 Ketosynthase family 3 (KS3) active site signature. GPSisVDtACSSSlvAL
ChainResidueDetails
AGLY194-LEU210

site_idPS00290
Number of Residues7
DetailsIG_MHC Immunoglobulins and major histocompatibility complex proteins signature. YICNVNH
ChainResidueDetails
LTYR214-HIS220
HTYR201-HIS207

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsACT_SITE: Acyl-thioester intermediate; for beta-ketoacyl synthase 1 activity => ECO:0000255|PROSITE-ProRule:PRU01348, ECO:0000305|PubMed:17719492
ChainResidueDetails
ACSD203

site_idSWS_FT_FI2
Number of Residues2
DetailsACT_SITE: For beta-ketoacyl synthase 1 activity => ECO:0000255|PROSITE-ProRule:PRU01348
ChainResidueDetails
AHIS378
AHIS338

site_idSWS_FT_FI3
Number of Residues1
DetailsACT_SITE: Acyl-ester intermediate; for acyltransferase 1 activity => ECO:0000255|PROSITE-ProRule:PRU10022
ChainResidueDetails
ASER652

site_idSWS_FT_FI4
Number of Residues2
DetailsSITE: Important for substrate specificity of the beta-ketoacyl synthase 1 => ECO:0000305|PubMed:17719492
ChainResidueDetails
ALYS156
APHE157

219869

PDB entries from 2024-05-15

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