Structure of PDB 2xta Chain B Binding Site BS04

Receptor Information
>2xta Chain B (length=814) Species: 246196 (Mycolicibacterium smegmatis MC2 155) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
DKNARVIELIAAYRNRGHLMADIDPLRLDNTRFRTLWDLDREFKVVQRKK
LRDILSVLRDAYCRHVGVEYTHILEPEQQRWIQERVETKHDKPTVAEQKY
ILSKLNAAEAFETFLQTKYVGQKRFSLEGAETVIPMMDAVIDQCAEHGLD
EVVIAMPHRGRLNVLANIVGKPYSQIFSEDVKYHLGATGTYIQMFGDNDI
EVSLTANPSHLEAVDPVLEGLVRAKQDLLDTGEEGSDNRFSVVPLMLHGD
AAFAGQGVVAETLNLALLRGYRTGGTIHIVVNNQIGFTTAPTDSRSSEYC
TDVAKMIGAPIFHVNGDDPEACAWVARLAVDFRQAFKKDVVIDMLCYRRR
GHNEGDDPSMTQPYMYDVIDTKRGSRKAYTEALIGRGDISMKEAEDALRD
YQGQLERVFNEVRELEKLATAVDKAMLQRIGDAHLALPEGFTVHPRVRPV
LEKRREMAYEGRIDWAFAELLALGSLIAEGKLVRLSGQDTQRGTFTQRHA
VIVDRKTGEEFTPLQLLATNPDGTPTGGKFLVYNSALSEFAAVGFEYGYS
VGNPDAMVLWEAQFGDFVNGAQSIIDEFISSGEAKWGQLSDVVLLLPHGH
EGQGPDHTSGRIERFLQLWAEGSMTIAMPSTPANYFHLLRRHGKDGIQRP
LIVFTPKSMLRNKAAVSDIRDFTESKFRSVLEEPMYTDGEGDRNKVTRLL
LTSGKIYYELAARKAKENREDVAIVRIEQLAPLPRRRLAETLDRYPNVKE
KFWVQEEPANQGAWPSFGLTLPEILPDHFTGLKRISRRAMSAPSSGSSKV
HAVEQQEILDTAFG
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain2xta Chain B Residue 2003 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB2xta Functional Plasticity and Allosteric Regulation of Alpha-Ketoglutarate Decarboxylase in Central Mycobacterial Metabolism.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		D1004 H1055 D1058 I1060
Binding residue
(residue number reindexed from 1)		D591 H642 D645 I647
Annotation score1
Enzymatic activity
Enzyme Commision number 1.2.4.2: oxoglutarate dehydrogenase (succinyl-transferring).
2.2.1.5: 2-hydroxy-3-oxoadipate synthase.
2.3.1.61: dihydrolipoyllysine-residue succinyltransferase.
4.1.1.71: 2-oxoglutarate decarboxylase.
Gene Ontology
Molecular Function
GO:0016624 oxidoreductase activity, acting on the aldehyde or oxo group of donors, disulfide as acceptor
GO:0030976 thiamine pyrophosphate binding

View graph for
Molecular Function
External links
PDB RCSB:2xta, PDBe:2xta, PDBj:2xta
PDBsum2xta
PubMed21867916
UniProtA0R2B1|KGD_MYCS2 Multifunctional 2-oxoglutarate metabolism enzyme (Gene Name=kgd)

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