Structure of PDB 6i2r Chain A Binding Site BS03

Receptor Information
>6i2r Chain A (length=824) Species: 246196 (Mycolicibacterium smegmatis MC2 155) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
EDKNARVIELIAAYRNRGHLMADIDPLRLDNTRFLTLWDLDREFKVDVQR
KKLRDILSVLRDAYCRHVGVEYTHILEPEQQRWIQERVETKHDKPTVAEQ
KYILSKLNAAEAFETFLQTKYVGQKRFSLEGAETVIPMMDAVIDQCAEHG
LDEVVIAMPHRGRLNVLANIVGKPYSQIFSEFESGDVKYHLGATGTYIQM
FGDNDIEVSLTANPSHLEAVDPVLEGLVRAKQDLLDTGEEGSDNRFSVVP
LMLHGDAAFAGQGVVAETLNLALLRGYRTGGTIHIVVNNQIGFTTAPTDS
RSSEYCTDVAKMIGAPIFHVNGDDPEACAWVARLAVDFRQAFKKDVVIDM
LCYRRRGHNEGDDPSMTQPYMYDVIDTKRGSRKAYTEALIGRGDISMKEA
EDALRDYQGQLEAVFNEVRELEKHPSKLATAVDKAMLQRIGDAHLALPEG
FTVHPRVRPVLEKRREMAYEGRIDWAFAELLALGSLIAEGKLVRLSGQDT
QRGTFTQRHAVIVDRKTGEEFTPLQLLATNPDGTPTGGKFLVYNSALSEF
AAVGFEYGYSVGNPDAMVLWEAQFGDFVNGAQSIIDEFISSGEAKWGQLS
DVVLLLPHGHEGQGPDHTSGRIERFLQLWAEGSMTIAMPSTPANYFHLLR
RHGKDGIQRPLIVFTPKSMLRNKAAVSDIRDFTESKFRSVLEEPMYTDGE
GDRNKVTRLLLTSGKIYYELAARKAKENREDVAIVRIEQLAPLPRRRLAE
TLDRYPNVKEKFWVQEEPANQGAWPSFGLTLPEILPDHFTGLKRISRRAM
SAPSSGSSKVHAVEQQEILDTAFG
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 chain6i2r Chain A 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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PDB6i2r Structural insights into the functional versatility of an FHA domain protein in mycobacterial signaling.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		D1004 H1055 D1058 I1060
Binding residue
(residue number reindexed from 1)		D601 H652 D655 I657
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:6i2r, PDBe:6i2r, PDBj:6i2r
PDBsum6i2r
PubMed31064884
UniProtA0R2B1|KGD_MYCS2 Multifunctional 2-oxoglutarate metabolism enzyme (Gene Name=kgd)

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