SMTL ID : 1gg6.1

CRYSTAL STRUCTURE OF GAMMA CHYMOTRYPSIN WITH N-ACETYL-PHENYLALANINE TRIFLUOROMETHYL KETONE BOUND AT THE ACTIVE SITE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

hetero-1-1-1-mer

Ligands

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

SO4.1: 3 residues within 4Å: Chain B: N.76, S.77 Chain C: W.89 4 PLIP interactions: 3 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:W.89, B:S.77 Water bridges: C:Q.92, C:Q.92 SO4.5: 3 residues within 4Å: Chain C: P.4, D.5, R.6 6 PLIP interactions: 5 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:D.5, C:R.6 Water bridges: C:R.6, C:Q.8, B:E.6 Salt bridges: C:R.6 SO4.6: 9 residues within 4Å: Chain B: F.115, A.116, A.117 Chain C: L.14, L.15, S.16, N.17, I.33, R.82 5 PLIP interactions: 4 interactions with chain C, 1 interactions with chain B Hydrogen bonds: C:N.17, B:A.117 Water bridges: C:R.82, C:R.82 Salt bridges: C:R.82

1 x APL: N-(1-BENZYL-3,3,3-TRIFLUORO-2,2-DIHYDROXY-PROPYL)-ACETAMIDE(Non-covalent)

APL.2: 10 residues within 4Å: Chain B: Q.19, G.23, V.52, E.55, Q.58, G.59, S.60, S.61, I.65, K.67 6 PLIP interactions: 6 interactions with chain B Hydrogen bonds: B:Q.19, B:E.55 Water bridges: B:Q.19, B:Q.58, B:Q.58, B:K.67

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

EDO.3: 2 residues within 4Å: Chain B: C.107 Chain C: A.58 1 PLIP interactions: 1 interactions with chain C Water bridges: C:K.55 EDO.4: 4 residues within 4Å: Chain B: S.81, L.82, I.84 Ligands: EDO.8 1 PLIP interactions: 1 interactions with chain B Water bridges: B:L.82 EDO.8: 5 residues within 4Å: Chain B: T.83, I.84 Chain C: K.27, W.67 Ligands: EDO.4 3 PLIP interactions: 2 interactions with chain C, 1 interactions with chain B Water bridges: C:K.27, C:K.27 Hydrogen bonds: B:T.83 EDO.9: 4 residues within 4Å: Chain B: I.32, N.33 Chain C: Q.91, L.94 3 PLIP interactions: 1 interactions with chain B, 2 interactions with chain C Hydrogen bonds: B:N.33, C:Q.91, C:Q.91

1 x APF: 1,1,1-TRIFLUORO-3-ACETAMIDO-4-PHENYL BUTAN-2-ONE(N-ACETYL-L-PHENYLALANYL TRIFLUOROMETHYL KETONE)(Covalent)

APF.7: 14 residues within 4Å: Chain B: F.26, C.27, H.42 Chain C: S.42, C.43, M.44, G.45, D.46, S.47, V.65, S.66, W.67, G.68, S.69 5 PLIP interactions: 5 interactions with chain C Hydrophobic interactions: C:W.67 Hydrogen bonds: C:G.45, C:D.46, C:S.47, C:S.66

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Neidhart, D. et al., Correlation of low-barrier hydrogen bonding and oxyanion binding in transition state analogue complexes of chymotrypsin. Biochemistry (2001)

Release Date

2000-09-20

Peptides

GAMMA CHYMOTRYPSIN: A
GAMMA CHYMOTRYPSIN: B
GAMMA CHYMOTRYPSIN: C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

GAMMA CHYMOTRYPSIN

GAMMA CHYMOTRYPSIN

GAMMA CHYMOTRYPSIN

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