SMTL ID : 6e5m.1

Crystallographic structure of the cyclic nonapeptide derived from the BTCI inhibitor bound to beta-trypsin in space group P 32 2 1

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.61 Å

Oligo State

monomer

Ligands

1 x CYS- THR- LYS- SER- ILE- PRO- PRO- GLN- CYS: 9MER-PEPTIDE(Non-covalent)

CYS-THR-LYS-SER-ILE-PRO-PRO-GLN-CYS.1: 24 residues within 4Å: Chain A: Y.22, H.23, F.24, C.25, H.40, C.41, L.81, G.122, Y.131, D.171, S.172, C.173, Q.174, G.175, D.176, S.177, V.191, S.192, W.193, G.194, G.196, C.197, G.204, V.205 17 PLIP interactions: 17 interactions with chain A Hydrophobic interactions: A:L.81, A:Y.131, A:Q.174, A:V.191 Hydrogen bonds: A:F.24, A:H.40, A:S.172, A:Q.174, A:G.175, A:D.176, A:S.177, A:S.177, A:S.192, A:G.194 Water bridges: A:Y.22, A:G.196, A:V.205

1 x CA: CALCIUM ION(Non-covalent)

CA.2: 8 residues within 4Å: Chain A: E.52, D.53, N.54, I.55, V.57, V.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:V.57, H2O.1, H2O.2

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

SO4.3: 3 residues within 4Å: Chain A: S.75, Y.76, N.77 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:N.77

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fernandes, J.P.C. et al., Crystallographic structure of a complex between trypsin and a nonapeptide derived from a Bowman-Birk inhibitor found in Vigna unguiculata seeds. Arch. Biochem. Biophys. (2019)

Release Date

2019-03-13

Peptides

Cationic trypsin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Cationic trypsin

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