SMTL ID : 1ktw.1 (1 other biounit)

IOTA-CARRAGEENASE COMPLEXED TO IOTA-CARRAGEENAN FRAGMENTS

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

monomer

Ligands

1 x G4S- DGS: 3,6-anhydro-2-O-sulfo-alpha-D-galactopyranose-(1-3)-4-O-sulfo-beta-D-galactopyranose(Non-covalent)

G4S-DGS.1: 5 residues within 4Å: Chain A: K.95, N.96, R.98, K.136, N.221 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.96, A:N.96, A:N.221 Water bridges: A:L.222 Salt bridges: A:R.98, A:K.136

1 x G4S- DGS- G4S- DGS: 3,6-anhydro-2-O-sulfo-alpha-D-galactopyranose-(1-3)-4-O-sulfo-beta-D-galactopyranose-(1-4)-3,6-anhydro-2-O-sulfo-alpha-D-galactopyranose-(1-3)-4-O-sulfo-beta-D-galactopyranose

G4S-DGS-G4S-DGS.2: 16 residues within 4Å: Chain A: F.189, G.190, R.216, E.218, L.246, R.276, R.294, Y.314, A.315, R.326, K.367, Q.368, Q.395, G.396, Q.397, Y.452 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:E.218, A:R.276, A:R.326, A:R.326, A:K.367 Water bridges: A:E.218, A:R.326, A:R.326, A:D.369 Salt bridges: A:R.216, A:R.276, A:K.367, A:K.367

5 x CA: CALCIUM ION(Non-covalent)

CA.3: 1 residues within 4Å: Chain A: E.81 2 PLIP interactions: 2 interactions with chain A Metal complexes: A:E.81, A:E.81 CA.4: 5 residues within 4Å: Chain A: T.411, D.418, Y.419, D.420 Ligands: CA.7 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:T.411, A:D.418, A:Y.419, A:D.420, H2O.5 CA.5: 3 residues within 4Å: Chain A: S.82, N.118, G.119 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:S.82, A:S.82, A:G.119, H2O.7 CA.6: 4 residues within 4Å: Chain A: N.31, D.34, S.36, D.38 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:N.31, A:D.34, A:S.36, A:D.38, H2O.3 CA.7: 3 residues within 4Å: Chain A: D.418, D.420 Ligands: CA.4 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.418, A:D.420, A:D.420, H2O.10

2 x NA: SODIUM ION(Non-functional Binders)

NA.8: 4 residues within 4Å: Chain A: L.132, T.155, I.156, F.157 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:T.155, A:F.157 NA.9: 1 residues within 4Å: Chain A: D.151 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:D.151 Water bridges: A:N.185

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.10: 6 residues within 4Å: Chain A: F.157, A.158, L.161, Y.191, Q.195, Y.197 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Michel, G. et al., The Structural Bases of the Processive Degradation of iota-Carrageenan, a Main Cell Wall Polysaccharide of Red Algae. J.Mol.Biol. (2003)

Release Date

2003-06-10

Peptides

IOTA-CARRAGEENASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

IOTA-CARRAGEENASE

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