SMTL ID : 1e54.1

Anion-selective porin from Comamonas acidovorans

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.10 Å

Oligo State

homo-trimer

Ligands

3 x ASP- ASN- TRP- GLN- ASN- GLY- THR- SER: OMP32(Non-covalent)

ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1: 19 residues within 4Å: Chain A: S.3, V.4, T.5, L.6, F.7, R.42, F.55, K.284, F.332 Chain B: L.6, F.332 Ligands: ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7 12 PLIP interactions: 2 interactions with chain B, 10 interactions with chain A Hydrophobic interactions: B:L.6, B:F.332, A:V.4, A:V.4, A:F.55 Hydrogen bonds: A:S.2, A:V.4, A:L.6, A:R.42, A:F.332, A:F.332 Water bridges: A:V.4 ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4: 19 residues within 4Å: Chain B: S.3, V.4, T.5, L.6, F.7, R.42, F.55, K.284, F.332 Chain C: L.6, F.332 Ligands: ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7 12 PLIP interactions: 2 interactions with chain C, 10 interactions with chain B Hydrophobic interactions: C:L.6, C:F.332, B:V.4, B:V.4, B:F.55 Hydrogen bonds: B:S.2, B:V.4, B:L.6, B:R.42, B:F.332, B:F.332 Water bridges: B:V.4 ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.7: 19 residues within 4Å: Chain A: L.6, F.332 Chain C: S.3, V.4, T.5, L.6, F.7, R.42, F.55, K.284, F.332 Ligands: ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.1, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4, ASP-ASN-TRP-GLN-ASN-GLY-THR-SER.4 12 PLIP interactions: 10 interactions with chain C, 2 interactions with chain A Hydrophobic interactions: C:V.4, C:V.4, C:F.55, A:L.6, A:F.332 Hydrogen bonds: C:S.2, C:V.4, C:L.6, C:R.42, C:F.332, C:F.332 Water bridges: C:V.4

3 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: L.29, D.64, G.309 Chain C: N.136, E.158 5 PLIP interactions: 3 interactions with chain A, 2 interactions with chain C Metal complexes: A:L.29, A:D.64, A:G.309, C:E.158, C:E.158 CA.5: 5 residues within 4Å: Chain A: N.136, E.158 Chain B: L.29, D.64, G.309 5 PLIP interactions: 2 interactions with chain A, 3 interactions with chain B Metal complexes: A:E.158, A:E.158, B:L.29, B:D.64, B:G.309 CA.8: 5 residues within 4Å: Chain B: N.136, E.158 Chain C: L.29, D.64, G.309 5 PLIP interactions: 3 interactions with chain C, 2 interactions with chain B Metal complexes: C:L.29, C:D.64, C:G.309, B:E.158, B:E.158

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

SO4.3: 1 residues within 4Å: Chain A: R.38 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:R.75 Water bridges: A:T.36, A:R.38 Salt bridges: A:R.38 SO4.6: 1 residues within 4Å: Chain B: R.38 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:R.75 Water bridges: B:T.36, B:R.38 Salt bridges: B:R.38 SO4.9: 1 residues within 4Å: Chain C: R.38 4 PLIP interactions: 4 interactions with chain C Hydrogen bonds: C:R.75 Water bridges: C:T.36, C:R.38 Salt bridges: C:R.38

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Zeth, K. et al., Crystal Structure of Omp32, the Anion-Selective Porin from Comamonas Acidovorans, in Complex with a Periplasmic Peptideat 2.1 A Resolution. Structure (2000)

Release Date

2001-07-12

Peptides

OUTER MEMBRANE PORIN PROTEIN 32: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

C
A

Membrane

We predict this structure to be a membrane protein.
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OUTER MEMBRANE PORIN PROTEIN 32

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