Structure of PDB 6krh Chain A Binding Site BS01

Receptor Information
>6krh Chain A (length=321) Species: 83332 (Mycobacterium tuberculosis H37Rv) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
QTAPEVLRQWQALAEEVREHQFRYYVRDAPIISDAEFDELLRRLEALEEQ
HPELRTPDSPTQLVGGAGFATDFEPVDHLERMLSLDNAFTADELAAWAGR
IHAEVGDAAHYLCELKIDGVALSLVYREGRLTRASTRGDGRTGEDVTLNA
RTIADVPERLTPGDDYPVPEVLEVRGEVFFRLDDFQALNASLVEEGKAPF
ANPRNSAAGSLRQKDPAVTARRRLRMICYGLGHVEGFRPATLHQAYLALR
AWGLPVSEHTTLATDLAGVRERIDYWGEHRHEVDHEIDGVVVKVDEVALQ
RRLGSTSRAPRWAIAYKYPPE
Ligand information
Ligand IDAMP
InChIInChI=1S/C10H14N5O7P/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(22-10)1-21-23(18,19)20/h2-4,6-7,10,16-17H,1H2,(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyUDMBCSSLTHHNCD-KQYNXXCUSA-N
SMILES
SoftwareSMILES
CACTVS 3.370Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(O)=O)[CH](O)[CH]3O
CACTVS 3.370Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P](O)(O)=O)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.7.6c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)COP(=O)(O)O)O)O)N
ACDLabs 12.01O=P(O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.7.6c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)O)O)O)N
FormulaC10 H14 N5 O7 P
NameADENOSINE MONOPHOSPHATE
ChEMBLCHEMBL752
DrugBankDB00131
ZINCZINC000003860156
PDB chain6krh Chain A Residue 401 [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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PDB6krh Salt bridges at the subdomain interfaces of the adenylation domain and active-site residues of Mycobacterium tuberculosis NAD + -dependent DNA ligase A (MtbLigA) are important for the initial steps of nick-sealing activity.
Resolution2.6 Å
Binding residue
(original residue number in PDB)		L92 N94 K123 I124 Y236 V298 K324
Binding residue
(residue number reindexed from 1)		L85 N87 K116 I117 Y229 V291 K317
Annotation score4
Enzymatic activity
Enzyme Commision number 6.5.1.2: DNA ligase (NAD(+)).
Gene Ontology
Molecular Function
GO:0003911 DNA ligase (NAD+) activity

View graph for
Molecular Function
External links
PDB RCSB:6krh, PDBe:6krh, PDBj:6krh
PDBsum6krh
PubMed34076591
UniProtP9WNV1|DNLJ_MYCTU DNA ligase A (Gene Name=ligA)

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