SMTL ID : 3f6g.1

Crystal structure of the regulatory domain of LiCMS in complexed with isoleucine - type II

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x ZN: ZINC ION(Non-covalent)

ZN.1: 2 residues within 4Å: Chain A: H.11, H.19 2 PLIP interactions: 1 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.19, H2O.2 ZN.7: 2 residues within 4Å: Chain B: H.11, H.19 2 PLIP interactions: 1 interactions with chain B, 1 Ligand-Water interactions Metal complexes: B:H.19, H2O.6

2 x ILE: ISOLEUCINE(Non-covalent)

ILE.2: 14 residues within 4Å: Chain A: I.69, K.74, T.75, D.76, A.77, V.79, P.104, D.105, Q.106 Chain B: G.39, G.40, Y.41, D.42, Y.65 7 PLIP interactions: 4 interactions with chain B, 3 interactions with chain A, Hydrophobic interactions: B:Y.41, B:Y.65, A:I.69 Hydrogen bonds: B:Y.41, B:D.42, A:P.104, A:Q.106 ILE.8: 14 residues within 4Å: Chain A: G.39, G.40, Y.41, D.42, L.62, Y.65 Chain B: K.74, T.75, D.76, A.77, V.79, P.104, D.105, Q.106 12 PLIP interactions: 7 interactions with chain A, 5 interactions with chain B, Hydrophobic interactions: A:L.62, A:Y.65, A:Y.65, B:A.77, B:V.79 Hydrogen bonds: A:Y.41, A:D.42, B:P.104, B:Q.106, B:Q.106 Water bridges: A:G.40, A:G.40

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 4 residues within 4Å: Chain A: Y.26, Q.27, K.29, L.55 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:Q.27 SO4.4: 4 residues within 4Å: Chain A: R.82, K.98, T.99, M.100 5 PLIP interactions: 5 interactions with chain A Water bridges: A:R.82, A:R.82, A:M.100 Salt bridges: A:R.82, A:K.98 SO4.5: 4 residues within 4Å: Chain A: G.101, V.102, H.112, K.116 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:V.102 Salt bridges: A:H.112, A:K.116 SO4.6: 4 residues within 4Å: Chain A: G.13, I.14, G.15 Chain B: H.103 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:G.15 Water bridges: A:I.16 Salt bridges: B:H.103 SO4.9: 6 residues within 4Å: Chain A: G.73, K.74, T.75 Chain B: P.60, K.61, L.62 4 PLIP interactions: 1 interactions with chain B, 3 interactions with chain A Hydrogen bonds: B:L.62, A:T.75, A:T.75, A:T.75 SO4.10: 5 residues within 4Å: Chain A: H.103 Chain B: G.13, I.14, G.15, I.16 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:G.15, B:I.16 SO4.11: 4 residues within 4Å: Chain B: G.101, V.102, H.112, K.116 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:V.102, B:V.102, B:H.112 Salt bridges: B:K.116 SO4.12: 2 residues within 4Å: Chain B: P.70, P.71 No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zhang, P. et al., Molecular basis of the inhibitor selectivity and insights into the feedback inhibition mechanism of citramalate synthase from Leptospira interrogans. Biochem.J. (2009)

Release Date

2009-04-21

Peptides

Alpha-isopropylmalate synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

B
A

Alpha-isopropylmalate synthase

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