SMTL ID : 2f9n.1

Crystal Structure of the Recombinant Human Alpha I Tryptase Mutant K192Q/D216G in Complex with Leupeptin

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.60 Å

Oligo State

homo-tetramer

Ligands

4 x ACE- LEU- LEU- AR7: Leupeptin(Non-covalent)

ACE-LEU-LEU-AR7.1: 15 residues within 4Å: Chain A: H.44, D.188, S.189, C.190, Q.191, S.194, V.212, S.213, W.214, G.215, G.217, C.218, G.225 Chain D: I.85, I.86 16 PLIP interactions: 13 interactions with chain A, 3 interactions with chain D Hydrophobic interactions: A:V.212, D:I.85, D:I.86, D:I.86 Hydrogen bonds: A:S.189, A:S.189, A:Q.191, A:S.213, A:G.215, A:G.217, A:G.217 Water bridges: A:D.188, A:G.192, A:S.194, A:I.226 Salt bridges: A:D.188 ACE-LEU-LEU-AR7.2: 15 residues within 4Å: Chain B: H.44, T.88, D.188, S.189, C.190, Q.191, S.194, V.212, S.213, W.214, G.215, G.217, C.218, G.225 Chain C: I.86 15 PLIP interactions: 13 interactions with chain B, 2 interactions with chain C Hydrophobic interactions: B:T.88, B:V.212, C:I.86, C:I.86 Hydrogen bonds: B:S.189, B:S.189, B:Q.191, B:S.213, B:G.215, B:G.217, B:G.217 Water bridges: B:G.192, B:G.192, B:I.226 Salt bridges: B:D.188 ACE-LEU-LEU-AR7.3: 16 residues within 4Å: Chain B: I.85, I.86 Chain C: H.44, T.88, D.188, S.189, C.190, Q.191, S.194, V.212, S.213, W.214, G.215, G.217, C.218, G.225 17 PLIP interactions: 14 interactions with chain C, 3 interactions with chain B Hydrophobic interactions: C:T.88, C:V.212, B:I.85, B:I.86, B:I.86 Hydrogen bonds: C:S.189, C:S.189, C:Q.191, C:S.213, C:G.215, C:G.217, C:G.217 Water bridges: C:D.188, C:G.192, C:S.194, C:W.214 Salt bridges: C:D.188 ACE-LEU-LEU-AR7.4: 15 residues within 4Å: Chain A: I.86 Chain D: H.44, T.88, D.188, S.189, C.190, Q.191, S.194, V.212, S.213, W.214, G.215, G.217, C.218, G.225 15 PLIP interactions: 13 interactions with chain D, 2 interactions with chain A Hydrophobic interactions: D:T.88, D:V.212, A:I.86, A:I.86 Hydrogen bonds: D:S.189, D:S.189, D:Q.191, D:S.213, D:G.215, D:G.217, D:G.217 Water bridges: D:S.189, D:G.192, D:G.192 Salt bridges: D:D.188

2 x NAG- FUC- NAG- FUC: alpha-L-fucopyranose-(1-3)-[2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)][alpha-L-fucopyranose-(1-6)]2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG-FUC-NAG-FUC.5: 1 residues within 4Å: Chain B: N.102 No protein-ligand interaction detected (PLIP) NAG-FUC-NAG-FUC.6: 1 residues within 4Å: Chain D: N.102 No protein-ligand interaction detected (PLIP)

4 x BU3: (R,R)-2,3-BUTANEDIOL(Non-covalent)

BU3.7: 7 residues within 4Å: Chain A: L.164, G.165, Q.220, P.221, N.222, R.223 Chain D: D.49 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.220, A:P.221 BU3.9: 6 residues within 4Å: Chain B: L.164, Q.220, P.221, N.222, R.223 Chain C: D.49 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:Q.220, B:P.221, B:N.222 BU3.10: 6 residues within 4Å: Chain B: D.49 Chain C: L.164, Q.220, P.221, N.222, R.223 3 PLIP interactions: 3 interactions with chain C Hydrogen bonds: C:Q.220, C:P.221, C:N.222 BU3.12: 7 residues within 4Å: Chain A: D.49 Chain D: L.164, G.165, Q.220, P.221, N.222, R.223 3 PLIP interactions: 3 interactions with chain D Hydrogen bonds: D:Q.220, D:P.221, D:N.222

2 x NAG: 2-acetamido-2-deoxy-beta-D-glucopyranose(Post Translational Modification)

NAG.8: 3 residues within 4Å: Chain B: E.117, V.202, N.203 2 PLIP interactions: 2 interactions with chain B Hydrophobic interactions: B:V.202 Hydrogen bonds: B:N.203 NAG.11: 3 residues within 4Å: Chain D: E.117, V.202, N.203 2 PLIP interactions: 2 interactions with chain D Hydrophobic interactions: D:V.202 Hydrogen bonds: D:N.203

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Rohr, K.B. et al., X-ray Structures of Free and Leupeptin-complexed Human alpha I-Tryptase Mutants: Indication for an alpha to beta-Tryptase Transition. J.Mol.Biol. (2005)

Release Date

2006-01-31

Peptides

alpha I tryptase: ABCD

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

D
D

alpha I tryptase