SMTL ID : 1ekx.1

THE ISOLATED, UNREGULATED CATALYTIC TRIMER OF ASPARTATE TRANSCARBAMOYLASE COMPLEXED WITH BISUBSTRATE ANALOG PALA (N-(PHOSPHONACETYL)-L-ASPARTATE)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-trimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 3 residues within 4Å: Chain C: S.12, R.114, N.133 No protein-ligand interaction detected (PLIP) CA.2: 1 residues within 4Å: Chain B: D.154 4 PLIP interactions: 1 interactions with chain B, 3 Ligand-Water interactions Metal complexes: B:D.154, H2O.380, H2O.475, H2O.511

3 x PAL: N-(PHOSPHONACETYL)-L-ASPARTIC ACID(Non-covalent)

PAL.3: 14 residues within 4Å: Chain A: S.53, T.54, R.55, T.56, R.106, H.135, Q.138, R.168, T.169, R.230, Q.232, L.268 Chain B: S.81, K.85 25 PLIP interactions: 20 interactions with chain A, 5 interactions with chain B Hydrophobic interactions: A:T.169 Hydrogen bonds: A:S.53, A:T.54, A:R.55, A:R.55, A:T.56, A:T.56, A:R.106, A:R.106, A:Q.232, A:L.268, B:S.81, B:S.81, B:K.85 Water bridges: A:T.169, A:R.230, A:R.230, A:R.235, A:R.235 Salt bridges: A:R.106, A:H.135, A:R.168, A:R.230, B:K.85, B:K.85 PAL.4: 14 residues within 4Å: Chain B: S.53, T.54, R.55, T.56, R.106, H.135, Q.138, R.168, T.169, R.230, Q.232, L.268 Chain C: S.81, K.85 25 PLIP interactions: 20 interactions with chain B, 5 interactions with chain C Hydrophobic interactions: B:T.169 Hydrogen bonds: B:S.53, B:T.54, B:R.55, B:R.55, B:T.56, B:T.56, B:R.106, B:R.106, B:Q.232, B:L.268, C:S.81, C:S.81, C:K.85 Water bridges: B:R.168, B:T.169, B:R.230, B:Q.232, B:R.235 Salt bridges: B:R.106, B:H.135, B:R.168, B:R.230, C:K.85, C:K.85 PAL.5: 16 residues within 4Å: Chain A: S.81, K.85 Chain C: A.52, S.53, T.54, R.55, T.56, R.106, H.135, Q.138, R.168, T.169, R.230, Q.232, L.268, P.269 23 PLIP interactions: 3 interactions with chain A, 20 interactions with chain C Hydrogen bonds: A:S.81, C:S.53, C:S.53, C:T.54, C:R.55, C:R.55, C:T.56, C:T.56, C:R.106, C:R.106, C:Q.232, C:L.268 Salt bridges: A:K.85, A:K.85, C:R.106, C:H.135, C:R.168, C:R.230 Hydrophobic interactions: C:T.169 Water bridges: C:T.169, C:R.230, C:E.234, C:R.235

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Endrizzi, J.A. et al., Binding of bisubstrate analog promotes large structural changes in the unregulated catalytic trimer of aspartate transcarbamoylase: implications for allosteric regulation induced cell migration. Proc.Natl.Acad.Sci.USA (2000)

Release Date

2000-05-12

Peptides

ASPARTATE TRANSCARBAMOYLASE: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

ASPARTATE TRANSCARBAMOYLASE