SMTL ID : 4hwx.1 (1 other biounit)

Crystal structure of Streptomyces caespitosus sermetstatin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.90 Å

Oligo State

homo-dimer

Ligands

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.1: 5 residues within 4Å: Chain A: C.32, A.33, R.44, C.47, N.51 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:R.44, A:N.51, A:N.51 Water bridges: A:C.32, A:N.86, A:N.86 GOL.5: 5 residues within 4Å: Chain B: C.32, A.33, R.44, C.47, N.51 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:R.44, B:N.51, B:N.51 Water bridges: B:C.32, B:N.86, B:N.86

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

ACT.2: 2 residues within 4Å: Chain A: A.3, H.4 1 PLIP interactions: 1 interactions with chain A Salt bridges: A:H.4 ACT.3: 6 residues within 4Å: Chain A: T.80, A.81, D.82, A.91, W.92 Chain B: R.89 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:A.81, A:W.92 Salt bridges: B:R.89 ACT.4: 4 residues within 4Å: Chain A: L.61, H.94, F.96, N.105 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:L.61 Hydrogen bonds: A:T.95 Salt bridges: A:H.94 ACT.6: 2 residues within 4Å: Chain B: A.3, H.4 2 PLIP interactions: 2 interactions with chain B Water bridges: B:H.4 Salt bridges: B:H.4 ACT.7: 6 residues within 4Å: Chain A: R.89 Chain B: T.80, A.81, D.82, A.91, W.92 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:A.81, B:W.92 Salt bridges: A:R.89 ACT.8: 4 residues within 4Å: Chain B: L.61, H.94, F.96, N.105 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:L.61 Hydrogen bonds: B:T.95 Salt bridges: B:H.94

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Trillo-Muyo, S. et al., Mechanism of action of a Janus-faced single-domain protein inhibitor simultaneously targeting two peptidase classes. CHEM SCI (2013)

Release Date

2012-12-05

Peptides

Neutral proteinase inhibitor ScNPI: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Neutral proteinase inhibitor ScNPI

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