SMTL ID : 5yum.1

Crystallographic structures of IlvN.Val/Ile complexes:Conformational selectivity for feedback inhibition of AHASs

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.43 Å

Oligo State

homo-dimer

Ligands

2 x ILE: ISOLEUCINE(Non-covalent)

ILE.1: 12 residues within 4Å: Chain A: V.17, N.19, H.20, P.21, G.22, V.23, M.24, C.43, S.52 Chain B: N.37, V.38, I.41 14 PLIP interactions: 5 interactions with chain B, 8 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: B:I.41, A:V.17, A:V.23, A:M.24 Hydrogen bonds: B:N.37, B:N.37, B:N.37, B:V.38, A:G.22, A:V.23, A:M.24, I.1 Water bridges: A:T.25, A:S.52 ILE.3: 12 residues within 4Å: Chain A: N.37, V.38, I.41 Chain B: V.17, N.19, H.20, P.21, G.22, V.23, M.24, C.43, S.52 14 PLIP interactions: 8 interactions with chain B, 1 Ligand-Ligand interactions, 5 interactions with chain A Hydrophobic interactions: B:V.17, B:V.23, B:M.24, A:I.41 Hydrogen bonds: B:G.22, B:V.23, B:M.24, I.3, A:N.37, A:N.37, A:N.37, A:V.38 Water bridges: B:T.25, B:S.52

2 x CO: COBALT (II) ION(Non-covalent)

CO.2: 2 residues within 4Å: Chain A: H.20, D.76 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:H.20, A:D.76 CO.4: 2 residues within 4Å: Chain B: H.20, D.76 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:H.20, B:D.76

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Bansal, A. et al., Crystallographic Structures of IlvN·Val/Ile Complexes: Conformational Selectivity for Feedback Inhibition of Aceto Hydroxy Acid Synthases. Biochemistry (2019)

Release Date

2018-09-19

Peptides

Acetolactate synthase isozyme 1 small subunit: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Acetolactate synthase isozyme 1 small subunit

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