SMTL ID : 4a1o.1

Crystal structure of Mycobacterium tuberculosis PurH complexed with AICAR and a novel nucleotide CFAIR, at 2.48 A resolution.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.48 Å

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 8 residues within 4Å: Chain A: C.421, R.422, V.424, S.426, D.470, H.520, F.521, A.522 5 PLIP interactions: 5 interactions with chain A Metal complexes: A:C.421, A:R.422, A:V.424, A:D.470, A:H.520 K.6: 8 residues within 4Å: Chain B: C.421, R.422, V.424, S.426, D.470, H.520, F.521, A.522 5 PLIP interactions: 5 interactions with chain B Metal complexes: B:C.421, B:R.422, B:V.424, B:D.470, B:H.520

2 x AMZ: AMINOIMIDAZOLE 4-CARBOXAMIDE RIBONUCLEOTIDE(Non-covalent)

AMZ.2: 15 residues within 4Å: Chain A: R.224, Y.225, S.257, N.259, N.260, H.284, G.314, E.337 Chain B: N.427, R.447, A.471, F.472, R.519, F.521 Ligands: PO4.4 20 PLIP interactions: 8 interactions with chain B, 12 interactions with chain A Hydrogen bonds: B:N.427, B:N.427, B:R.447, B:F.472, A:S.257, A:S.257, A:S.257, A:N.259, A:N.260, A:G.314, A:E.337 Water bridges: B:R.519, B:R.519, A:R.224, A:R.224, A:N.259, A:K.283 Salt bridges: B:R.519, A:R.224 pi-Stacking: B:F.521 AMZ.7: 16 residues within 4Å: Chain A: N.427, R.447, A.471, F.472, R.519, F.521 Chain B: R.224, Y.225, S.257, N.259, N.260, K.283, H.284, G.314, E.337 Ligands: PO4.3 20 PLIP interactions: 7 interactions with chain A, 13 interactions with chain B Hydrogen bonds: A:N.427, A:R.447, A:F.472, B:Y.225, B:S.257, B:S.257, B:S.257, B:N.259, B:N.260, B:G.314, B:E.337 Water bridges: A:R.519, A:R.519, B:R.224, B:R.224, B:N.259, B:D.263 Salt bridges: A:R.519, B:R.224 pi-Stacking: A:F.521

3 x PO4: PHOSPHATE ION(Non-functional Binders)

PO4.3: 7 residues within 4Å: Chain A: N.427, V.445, N.446, R.447, P.474 Chain B: K.283 Ligands: AMZ.7 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain A Salt bridges: B:K.283 Hydrogen bonds: A:N.427, A:V.445, A:R.447 PO4.4: 8 residues within 4Å: Chain A: K.283, Y.313 Chain B: N.427, V.445, N.446, R.447, P.474 Ligands: AMZ.2 6 PLIP interactions: 3 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:N.427, B:N.427, B:R.447 Water bridges: A:K.283, A:L.310 Salt bridges: A:K.283 PO4.8: 7 residues within 4Å: Chain B: S.16, V.17, K.20, T.40, G.41, S.42, T.43 8 PLIP interactions: 8 interactions with chain B Hydrogen bonds: B:S.16, B:S.42, B:S.42, B:S.42, B:T.43, B:T.43 Salt bridges: B:K.20, B:K.72

1 x JLN: 5-(FORMYLAMINO)-1-(5-O-PHOSPHONO-BETA-D-RIBOFURANOSYL)-1H-IMIDAZOLE-4-CARBOXYLIC ACID(Non-covalent)

JLN.5: 20 residues within 4Å: Chain A: S.16, V.17, Y.18, K.20, T.40, G.41, S.42, T.43, R.70, V.71, K.72, T.73, L.74, V.108, N.109, Y.111, D.131, I.132, G.133, G.134 19 PLIP interactions: 19 interactions with chain A Hydrogen bonds: A:T.40, A:G.41, A:S.42, A:S.42, A:T.43, A:K.72, A:T.73, A:T.73, A:L.74, A:Y.111, A:Y.111, A:D.131, A:D.131, A:I.132, A:G.133, A:G.134 Salt bridges: A:K.20, A:K.72 pi-Cation interactions: A:K.72

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Le Nours, J. et al., Structural Analyses of a Purine Biosynthetic Enzyme from Mycobacterium Tuberculosis Reveal a Novel Bound Nucleotide. J.Biol.Chem. (2011)

Release Date

2011-09-28

Peptides

BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH

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