SMTL ID : 3qgj.2 (2 other biounits)

1.3A Structure of alpha-Lytic Protease Bound to Ac-AlaAlaPro-Alanal

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

monomer

Ligands

1 x ACE- ALA- ALA- PRO- 2A1: Ac-AlaAlaPro-Alanal peptide(Non-covalent)

ACE-ALA-ALA-PRO-2A1.1: 17 residues within 4Å: Chain A: H.36, A.121, Y.123, E.125, M.138, G.139, R.140, G.141, D.142, S.143, M.158, S.159, G.160, G.161, N.162, V.163 Ligands: EDO.2 8 PLIP interactions: 8 interactions with chain A Hydrophobic interactions: A:Y.123, A:Y.123 Hydrogen bonds: A:G.141, A:S.143, A:S.159, A:G.161, A:G.161 Water bridges: A:N.122

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

EDO.2: 3 residues within 4Å: Chain A: N.122 Ligands: ACE-ALA-ALA-PRO-2A1.1, ACE-ALA-ALA-PRO-2A1.1 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.122, A:N.122 EDO.3: 4 residues within 4Å: Chain A: R.64, R.129, R.183, P.186 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:R.64, A:R.64, A:R.129, A:R.129, A:R.183 Water bridges: A:N.62, A:N.62, A:R.183

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

SO4.4: 7 residues within 4Å: Chain A: N.135, A.136, C.137, I.172, P.173, A.174, R.177 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:A.174, A:R.177 Water bridges: A:R.177 Salt bridges: A:R.177 SO4.5: 4 residues within 4Å: Chain A: H.36, R.57, F.59, E.125 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.57 Salt bridges: A:H.36, A:R.57 SO4.6: 2 residues within 4Å: Chain A: N.12, N.13 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:N.13 Water bridges: A:N.12

1 x TFA: trifluoroacetic acid(Non-covalent)

TFA.7: 3 residues within 4Å: Chain A: E.93, K.117, R.183 1 PLIP interactions: 1 interactions with chain A Water bridges: A:R.183

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Everill, P. et al., Substrate Binding Defines Ser195 Position in the Catalytic Triad of Serine Proteases, Not His57 protonation. To be Published

Release Date

2012-02-01

Peptides

Alpha-lytic protease: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

Alpha-lytic protease

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