SMTL ID : 1dpj.2 (1 other biounit)

THE STRUCTURE OF PROTEINASE A COMPLEXED WITH IA3 PEPTIDE INHIBITOR

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

hetero-2-2-mer

Ligands

2 x NAG- NAG- BMA- MAN- MAN- BMA- MAN- MAN- MAN: beta-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-2)-[alpha-D-mannopyranose-(1-2)-alpha-D-mannopyranose-(1-6)]alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose

NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.1: 14 residues within 4Å: Chain A: N.68, T.70, I.85, K.99, D.101, D.132, K.133, V.134, V.135, Y.139, Q.143, K.150, L.318 Ligands: SO4.4 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.150, A:D.132 Water bridges: A:K.191, A:K.191, A:N.321 NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.7: 14 residues within 4Å: Chain C: N.68, T.70, I.85, K.99, D.101, D.132, K.133, V.134, V.135, Y.139, Q.143, K.150, L.318 Ligands: SO4.10 1 PLIP interactions: 1 interactions with chain C Hydrogen bonds: C:K.150, C:D.132 Water bridges: C:K.191, C:K.191, C:N.321

2 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Non-covalent)

NAG.2: 3 residues within 4Å: Chain A: Y.207, G.267, N.269 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.264, A:N.269 Water bridges: A:N.269 NAG.8: 3 residues within 4Å: Chain C: Y.207, G.267, N.269 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:N.264, C:N.269 Water bridges: C:N.269

8 x SO4: SULFATE ION(Non-functional Binders)

SO4.3: 3 residues within 4Å: Chain A: R.189, K.197, S.212 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:S.212, A:S.212 Salt bridges: A:R.189, A:K.197 SO4.4: 3 residues within 4Å: Ligands: NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.1, NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.1, NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.1 No protein-ligand interaction detected (PLIP) SO4.5: 3 residues within 4Å: Chain A: S.282 Chain B: T.2, D.3 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:D.3, B:D.3, B:Q.4 Water bridges: B:D.3 SO4.6: 7 residues within 4Å: Chain A: K.242 Chain B: Q.12, K.15 Chain C: K.242 Chain D: Q.12, K.15 Ligands: SO4.12 8 PLIP interactions: 2 interactions with chain C, 2 interactions with chain A, 2 interactions with chain D, 2 interactions with chain B Water bridges: C:K.242, A:K.242 Salt bridges: C:K.242, A:K.242, D:K.15, B:K.15 Hydrogen bonds: D:Q.12, B:Q.12 SO4.9: 3 residues within 4Å: Chain C: R.189, K.197, S.212 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:S.212, C:S.212 Salt bridges: C:R.189, C:K.197 SO4.10: 3 residues within 4Å: Ligands: NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.7, NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.7, NAG-NAG-BMA-MAN-MAN-BMA-MAN-MAN-MAN.7 No protein-ligand interaction detected (PLIP) SO4.11: 3 residues within 4Å: Chain C: S.282 Chain D: T.2, D.3 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:D.3, D:D.3, D:Q.4 SO4.12: 7 residues within 4Å: Chain A: K.242 Chain B: Q.12, K.15 Chain C: K.242 Chain D: Q.12, K.15 Ligands: SO4.6 8 PLIP interactions: 2 interactions with chain C, 2 interactions with chain A, 2 interactions with chain D, 2 interactions with chain B Water bridges: C:K.242, A:K.242 Salt bridges: C:K.242, A:K.242, D:K.15, B:K.15 Hydrogen bonds: D:Q.12, B:Q.12

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, M. et al., The aspartic proteinase from Saccharomyces cerevisiae folds its own inhibitor into a helix. Nat.Struct.Biol. (2000)

Release Date

2000-05-03

Peptides

PROTEINASE A: AC
PROTEINASE INHIBITOR IA3 PEPTIDE: BD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

C
A

B
B

D
B

PROTEINASE A

PROTEINASE INHIBITOR IA3 PEPTIDE

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