SMTL ID : 9bos.1

Human mesotrypsin (PRSS3) unliganded and in an active (E) conformation

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

monomer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 8 residues within 4Å: Chain A: E.52, H.53, N.54, I.55, V.57, L.58, E.59, E.62 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:E.52, A:N.54, A:E.62, H2O.1, H2O.2

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

CL.2: 4 residues within 4Å: Chain A: D.79, T.80, L.81, K.155 Ligand excluded by PLIP

2 x 2F2: dimethyl ether(Non-covalent)

2F2.3: 7 residues within 4Å: Chain A: E.115, C.116, L.117, V.182, C.183, N.184, G.185 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.184 2F2.4: 4 residues within 4Å: Chain A: H.73, N.211, Y.212, W.215 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:H.73 Water bridges: A:W.215

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Coban, M. et al., Discovery of an autoinhibited conformation in mesotrypsin reveals a new strategy for selective serine protease inhibition. Sci Adv (2025)

Release Date

2025-06-11

Peptides

Trypsin-3: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Trypsin-3

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