SMTL ID : 7qe9.1 (1 other biounit)

Human cationic trypsin (TRY1) complexed with serine protease inhibitor Kazal type 1 N34S (SPINK1 N34S)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

hetero-1-1-mer

Ligands

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

SO4.1: 3 residues within 4Å: Chain A: N.82, T.157, N.159 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.82, A:N.159 Water bridges: A:N.83 SO4.2: 2 residues within 4Å: Chain B: K.57, S.58 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:S.58 SO4.3: 7 residues within 4Å: Chain A: H.40 Chain B: C.14, Y.15, S.16, T.22, E.39, C.40 6 PLIP interactions: 1 interactions with chain A, 5 interactions with chain B Salt bridges: A:H.40 Hydrogen bonds: B:Y.15, B:S.16, B:C.40 Water bridges: B:S.16, B:S.16

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nagel, F. et al., Structural and Biophysical Insights into SPINK1 Bound to Human Cationic Trypsin. Int J Mol Sci (2022)

Release Date

2022-03-30

Peptides

Trypsin-1: A
Serine protease inhibitor Kazal-type 1: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
C

Trypsin-1

Serine protease inhibitor Kazal-type 1

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