SMTL ID : 1n31.1

Structure of A Catalytically Inactive Mutant (K223A) of C-DES with a Substrate (Cystine) Linked to the Co-Factor

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

homo-dimer

Ligands

2 x K: POTASSIUM ION(Non-covalent)

K.1: 4 residues within 4Å: Chain A: L.309, N.310, L.312, V.315 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:N.310, A:L.312, A:V.315 K.6: 4 residues within 4Å: Chain B: L.309, N.310, L.312, V.315 2 PLIP interactions: 2 interactions with chain B Metal complexes: B:L.312, B:V.315

2 x PLP: PYRIDOXAL-5'-PHOSPHATE(Non-covalent)

PLP.2: 15 residues within 4Å: Chain A: N.80, V.81, T.82, H.107, S.157, W.161, D.190, A.192, Q.193, T.213, H.215 Chain B: W.244, A.268, T.269 Ligands: CYS.3 10 PLIP interactions: 1 Ligand-Ligand interactions, 3 interactions with chain B, 6 interactions with chain A Hydrogen bonds: C.3, B:W.244, B:T.269, B:T.269, A:V.81, A:T.82, A:H.107, A:Q.193 Salt bridges: A:H.215 pi-Stacking: A:H.107 PLP.7: 15 residues within 4Å: Chain A: W.244, A.268, T.269 Chain B: N.80, V.81, T.82, H.107, S.157, W.161, D.190, A.192, Q.193, T.213, H.215 Ligands: CYS.8 10 PLIP interactions: 6 interactions with chain B, 3 interactions with chain A, 1 Ligand-Ligand interactions Hydrophobic interactions: B:W.161 Hydrogen bonds: B:V.81, B:T.82, B:Q.193, A:W.244, A:T.269, A:T.269, C.8 Salt bridges: B:H.215 pi-Stacking: B:H.107

4 x CYS: CYSTEINE(Non-covalent)

CYS.3: 8 residues within 4Å: Chain A: G.19, G.20, W.161, Q.193, R.353, R.362 Ligands: PLP.2, CYS.4 5 PLIP interactions: 2 Ligand-Ligand interactions, 3 interactions with chain A Hydrogen bonds: C.3, C.3, A:Q.193 Salt bridges: A:R.353, A:R.362 CYS.4: 5 residues within 4Å: Chain A: H.107, W.161, R.353 Chain B: W.244 Ligands: CYS.3 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Ligand interactions Salt bridges: A:H.107, A:R.353 Hydrogen bonds: C.4, C.4 CYS.5: 5 residues within 4Å: Chain A: F.45, N.50, W.244 Chain B: R.353 Ligands: CYS.8 4 PLIP interactions: 2 interactions with chain A, 2 Ligand-Ligand interactions Water bridges: A:N.50, A:T.269, C.5, C.5 CYS.8: 10 residues within 4Å: Chain A: F.45 Chain B: G.19, G.20, H.107, W.161, Q.193, R.353, R.362 Ligands: CYS.5, PLP.7 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Ligand interactions Hydrogen bonds: B:Q.193, C.8, C.8 Salt bridges: B:R.353, B:R.362

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kaiser, J.T. et al., Snapshots of the Cystine Lyase "C-DES" during Catalysis: Studies in Solution and in the Crystalline State. J.Biol.Chem. (2003)

Release Date

2003-01-21

Peptides

L-cysteine/cystine lyase C-DES: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

L-cysteine/cystine lyase C-DES

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