SMTL ID : 1h73.1

CRYSTAL STRUCTURE OF HOMOSERINE KINASE COMPLEXED WITH THREONINE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

2 x THR: THREONINE(Non-covalent)

THR.1: 12 residues within 4Å: Chain A: A.12, N.13, F.18, D.19, D.136, N.137, T.179, R.183, R.231, G.256, S.257 Ligands: ANP.2 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:A.12 Hydrogen bonds: A:N.13, A:D.19, A:D.19, A:D.136, A:T.179, A:R.183, A:R.231, A:R.231 THR.3: 12 residues within 4Å: Chain B: A.12, N.13, F.18, D.19, D.136, N.137, T.179, R.183, R.231, G.256, S.257 Ligands: ANP.4 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:A.12 Hydrogen bonds: B:N.13, B:D.19, B:D.136, B:R.183, B:R.231, B:R.231

2 x ANP: PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER(Non-covalent)

ANP.2: 20 residues within 4Å: Chain A: I.51, P.52, K.57, N.58, V.59, I.81, K.83, A.87, G.88, S.89, G.90, L.91, G.92, S.93, S.94, A.95, S.97, T.179, S.257 Ligands: THR.1 20 PLIP interactions: 20 interactions with chain A Hydrogen bonds: A:N.50, A:N.58, A:N.58, A:V.59, A:K.83, A:G.88, A:S.89, A:G.90, A:G.90, A:G.92, A:S.93, A:S.94, A:A.95, A:S.97, A:T.179, A:T.179, A:S.257 Water bridges: A:L.91, A:L.91, A:S.94 ANP.4: 20 residues within 4Å: Chain B: I.51, P.52, K.57, N.58, V.59, I.81, K.83, A.87, G.88, S.89, G.90, L.91, G.92, S.93, S.94, A.95, S.97, T.179, S.257 Ligands: THR.3 20 PLIP interactions: 20 interactions with chain B Hydrogen bonds: B:N.50, B:N.58, B:N.58, B:V.59, B:K.83, B:G.88, B:S.89, B:G.90, B:G.90, B:G.92, B:S.93, B:S.94, B:A.95, B:S.97, B:T.179, B:T.179, B:S.257 Water bridges: B:L.91, B:L.91, B:S.94

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Krishna, S.S. et al., Structural Basis for the Catalysis and Substrate Specificity of Homoserine Kinase. Biochemistry (2001)

Release Date

2001-09-13

Peptides

HOMOSERINE KINASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

HOMOSERINE KINASE

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