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SMTL ID : 1gi4.1

A NOVEL SERINE PROTEASE INHIBITION MOTIF INVOLVING A MULTI-CENTERED SHORT HYDROGEN BONDING NETWORK AT THE ACTIVE SITE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.37 Å

Oligo State

monomer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1:

8 residues within 4Å:

Chain A: E.52, D.53, N.54, I.55, V.57, V.58, E.59, E.62

6 PLIP interactions:

4 interactions with chain A, 2 Ligand-Water interactions

Metal complexes: A:E.52, A:N.54, A:V.57, A:E.62, H₂O.1, H₂O.7

1 x ZN: ZINC ION(Non-covalent)

ZN.2:

5 residues within 4Å:

Chain A: H.40, Q.174, G.175, S.177
Ligands: 122.4

2 PLIP interactions:

2 interactions with chain A

Metal complexes: A:H.40, A:S.177

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

SO4.3:

1 residues within 4Å:

Chain A: Q.218

1 PLIP interactions:

1 interactions with chain A

Hydrogen bonds: A:Q.218

1 x 122: 2-(2-HYDROXY-PHENYL)-3H-BENZOIMIDAZOLE-5-CARBOXAMIDINE(Non-covalent)

122.4:

19 residues within 4Å:

Chain A: H.40, 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, A.198, G.204, V.205, Y.206
Ligands: ZN.2

6 PLIP interactions:

6 interactions with chain A

Hydrophobic interactions: A:V.191
Hydrogen bonds: A:D.171, A:D.171, A:S.172
Water bridges: A:G.194, A:V.205

Links

RCSB PDBe PDBe-KB PDBj PDBsum CATH PLIP

Citation

Katz, B.A. et al., A novel serine protease inhibition motif involving a multi-centered short hydrogen bonding network at the active site. J.Mol.Biol. (2001)

Release Date

2002-01-22

Peptides

BETA-TRYPSIN: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Export Alignment

Secondary Structure
NoneDSSPPSIPREDSSpro

Colour Scheme

Fade MismatchesEnhance Mismatches

ChainUnique ChainRainbow2° StructureBfactorBfactor RangeSOAEntropyClustalHydrophobicSizeChargedPolarProlineSer/ThrCysteineAliphaticAromaticNo Colour

Background

3D Viewer
NGLPV2D

BETA-TRYPSIN

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