4xtu

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Mycobacterium tuberculosis biotin ligase complexed with bisubstrate inhibitor (N-({[(1R,2S,3R,4R)-4-(6-amino-9H-purin-9-yl)-2,3-dihydroxycyclopentyl]methyl}sulfamoyl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide)Mycobacterium tuberculosis biotin ligase complexed with bisubstrate inhibitor (N-({[(1R,2S,3R,4R)-4-(6-amino-9H-purin-9-yl)-2,3-dihydroxycyclopentyl]methyl}sulfamoyl)-5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanamide)

Structural highlights

4xtu is a 2 chain structure with sequence from Mycobacterium tuberculosis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 1.6500299Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

BIRA_MYCTU Catalyzes the transfer of biotin onto a conserved lysine residue of the biotin carboxyl carrier protein (BCCP) domain of acetyl-CoA carboxylase and converts it to active holo-BCCP (PubMed:18509457, PubMed:24723382). Forms an acyl-adenylate intermediate (PubMed:18509457, PubMed:24723382). Cannot use GTP or desthiobiotin (PubMed:18509457).[1] [2]

See Also

References

  1. Purushothaman S, Gupta G, Srivastava R, Ramu VG, Surolia A. Ligand specificity of group I biotin protein ligase of Mycobacterium tuberculosis. PLoS One. 2008 May 28;3(5):e2320. doi: 10.1371/journal.pone.0002320. PMID:18509457 doi:http://dx.doi.org/10.1371/journal.pone.0002320
  2. Ma Q, Akhter Y, Wilmanns M, Ehebauer MT. Active site conformational changes upon reaction intermediate biotinyl-5'-AMP binding in biotin protein ligase from Mycobacterium tuberculosis. Protein Sci. 2014 Apr 9. doi: 10.1002/pro.2475. PMID:24723382 doi:http://dx.doi.org/10.1002/pro.2475

4xtu, resolution 1.65Å

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