Structure of PDB 4pio Chain B Binding Site BS01

Receptor Information
>4pio Chain B (length=318) Species: 1772 (Mycolicibacterium smegmatis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
SLANYLAADSAAEALRRDVRAGLTATQKSLPPKWFYDAVGSDLFDQITRL
PEYYPTRTEAQILRTRSAEIISAAGADTLVELGSGTSEKTRMLLDAMRDA
ELLRRFIPFDVDAGVLRSAGAAIGAEYPGIEIDAVCGDFEEHLGKIPHVG
RRLVVFLGSTIGNLTPAPRAEFLSTLADTLQPGDSLLLGTDLVKDTGRLV
RAYDDAAGVTAAFNRNVLAVVNRELSADFDLDAFEHVAKWNSDEERIEMW
LRARTAQHVRVAALDLEVDFAAGEEMLTEVSDKFRPENVVAELAEAGLRQ
THWWTDPAGDFGLSLAVR
Ligand information
Ligand IDSAH
InChIInChI=1S/C14H20N6O5S/c15-6(14(23)24)1-2-26-3-7-9(21)10(22)13(25-7)20-5-19-8-11(16)17-4-18-12(8)20/h4-7,9-10,13,21-22H,1-3,15H2,(H,23,24)(H2,16,17,18)/t6-,7+,9+,10+,13+/m0/s1
InChIKeyZJUKTBDSGOFHSH-WFMPWKQPSA-N
SMILES
SoftwareSMILES
CACTVS 3.341N[CH](CCSC[CH]1O[CH]([CH](O)[CH]1O)n2cnc3c(N)ncnc23)C(O)=O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)CSCCC(C(=O)O)N)O)O)N
CACTVS 3.341N[C@@H](CCSC[C@H]1O[C@H]([C@H](O)[C@@H]1O)n2cnc3c(N)ncnc23)C(O)=O
ACDLabs 10.04O=C(O)C(N)CCSCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CSCC[C@@H](C(=O)O)N)O)O)N
FormulaC14 H20 N6 O5 S
NameS-ADENOSYL-L-HOMOCYSTEINE
ChEMBLCHEMBL418052
DrugBankDB01752
ZINCZINC000004228232
PDB chain4pio Chain B Residue 401 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB4pio Ergothioneine Biosynthetic Methyltransferase EgtD Reveals the Structural Basis of Aromatic Amino Acid Betaine Biosynthesis.
Resolution1.506 Å
Binding residue
(original residue number in PDB)
Y39 F47 G86 G88 K92 D113 V114 G140 D141 F142
Binding residue
(residue number reindexed from 1)
Y36 F44 G83 G85 K89 D110 V111 G137 D138 F139
Annotation score5
Binding affinityMOAD: Kd=210uM
Enzymatic activity
Enzyme Commision number 2.1.1.44: L-histidine N(alpha)-methyltransferase.
Gene Ontology
Molecular Function
GO:0008168 methyltransferase activity
GO:0008276 protein methyltransferase activity
GO:0052706 L-histidine N(alpha)-methyltransferase activity
Biological Process
GO:0032259 methylation
GO:0052699 ergothioneine biosynthetic process
GO:0052704 ergothioneine biosynthesis from histidine via gamma-glutamyl-hercynylcysteine sulfoxide

View graph for
Molecular Function

View graph for
Biological Process
External links
PDB RCSB:4pio, PDBe:4pio, PDBj:4pio
PDBsum4pio
PubMed25404173
UniProtA0R5M8|EGTD_MYCS2 Histidine N-alpha-methyltransferase (Gene Name=egtD)

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