SMTL ID : 3s8j.2 (1 other biounit)

Crystal structure of a papaya latex serine protease inhibitor (PPI) at 2.6A resolution

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.60 Å

Oligo State

monomer

Ligands

1 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.1: 2 residues within 4Å: Chain A: D.19, N.84 No protein-ligand interaction detected (PLIP)

4 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 6 residues within 4Å: Chain A: A.29, G.30, Q.51, I.158, R.166, K.175 2 PLIP interactions: 2 interactions with chain A Salt bridges: A:R.166, A:K.175 ACT.3: 6 residues within 4Å: Chain A: F.119, E.120, H.123, R.147, T.148, L.150 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:R.147 Hydrogen bonds: A:T.148, A:T.148 Salt bridges: A:H.123 ACT.4: 2 residues within 4Å: Chain A: F.159, F.160 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:F.159 Hydrogen bonds: A:F.160, A:F.160 ACT.5: 1 residues within 4Å: Chain A: G.30 No protein-ligand interaction detected (PLIP)

1 x FMT: FORMIC ACID(Non-functional Binders)

FMT.6: 2 residues within 4Å: Chain A: R.99, L.150 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:R.99

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Azarkan, M. et al., The plasticity of the beta-Trefoil fold constitutes an evolutionary platform for protease inhibition. J.Biol.Chem. (2011)

Release Date

2011-11-02

Peptides

Latex serine proteinase inhibitor: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Latex serine proteinase inhibitor

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