SMTL ID : 4b2b.1 (1 other biounit)

Structure of the factor Xa-like trypsin variant triple-Ala (TGPA) in complex with eglin C

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.36 Å

Oligo State

hetero-1-1-mer

Ligands

1 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: E.52, N.54, V.57, 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.3, H2O.3

3 x GOL: GLYCEROL(Non-functional Binders)

GOL.2: 7 residues within 4Å: Chain A: N.19, G.21, Y.22, H.23, R.49, I.55, N.56 8 PLIP interactions: 5 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:N.19, A:G.21, A:H.23, A:R.49, A:R.49 Water bridges: B:Y.50, B:Y.50, B:Y.50 GOL.6: 4 residues within 4Å: Chain B: Y.36, L.38, R.52, R.54 7 PLIP interactions: 7 interactions with chain B Hydrogen bonds: B:R.52, B:R.54 Water bridges: B:T.45, B:D.47, B:D.47, B:R.49, B:R.49 GOL.7: 5 residues within 4Å: Chain B: E.40, G.41, F.56, H.66 Ligands: EDO.4 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:G.41

2 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.3: 4 residues within 4Å: Chain A: S.44, G.45, A.67, S.68 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:G.45 Water bridges: A:I.46, A:S.70, A:S.70 EDO.4: 6 residues within 4Å: Chain A: E.195, G.196, Q.199, K.202 Chain B: G.41 Ligands: GOL.7 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain A Water bridges: B:H.66, A:C.197 Hydrogen bonds: A:E.195

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

CL.5: 2 residues within 4Å: Chain B: Y.50, N.51 Ligand excluded by PLIP

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Menzel, A. et al., Thermodynamic signatures in macromolecular interactions involving conformational flexibility. Biol.Chem. (2014)

Release Date

2012-08-01

Peptides

CATIONIC TRYPSIN: A
EGLIN C: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CATIONIC TRYPSIN

EGLIN C

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