SMTL ID : 3h09.2 (1 other biounit)

The structure of Haemophilus influenzae IgA1 protease

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

monomer

Ligands

3 x NA: SODIUM ION(Non-functional Binders)

NA.1: 2 residues within 4Å: Chain A: D.310, T.313 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.311 NA.2: 1 residues within 4Å: Chain A: V.466 2 PLIP interactions: 2 interactions with chain A Water bridges: A:V.466, A:K.487 NA.7: 1 residues within 4Å: Chain A: T.27 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:T.27, A:T.27, A:T.27

2 x MLA: MALONIC ACID(Non-covalent)

MLA.3: 5 residues within 4Å: Chain A: Y.118, K.301, P.302, E.303, F.304 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:E.303, A:F.304 Water bridges: A:Y.118, A:Y.300 Salt bridges: A:K.121, A:K.301 MLA.5: 4 residues within 4Å: Chain A: R.587, K.588, H.624, E.628 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.588 Salt bridges: A:R.587, A:H.624, A:H.624

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.4: 4 residues within 4Å: Chain A: H.75, L.260, G.261, S.263 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:G.261, A:S.263, A:S.263 Water bridges: A:G.261, A:S.263 Salt bridges: A:H.75 ACT.6: 5 residues within 4Å: Chain A: H.514, I.515, I.537, F.633, F.652 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:F.633, A:F.652 Hydrogen bonds: A:I.515 Salt bridges: A:H.514

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Johnson, T.A. et al., Active-Site Gating Regulates Substrate Selectivity in a Chymotrypsin-Like Serine Protease The Structure of Haemophilus influenzae Immunoglobulin A1 Protease. J.Mol.Biol. (2009)

Release Date

2009-04-21

Peptides

Immunoglobulin A1 protease: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
B

Immunoglobulin A1 protease

Related Entries With Identical Sequence