SMTL ID : 1qy7.1

The structure of the PII protein from the cyanobacteria Synechococcus sp. PCC 7942

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-trimer

Ligands

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

SO4.1: 2 residues within 4Å: Chain A: R.101 Chain B: K.90 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Salt bridges: B:K.90, A:R.101 SO4.2: 2 residues within 4Å: Chain B: R.101 Chain C: K.90 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain C Salt bridges: B:R.101, C:K.90 SO4.3: 2 residues within 4Å: Chain A: K.90 Chain C: R.101 2 PLIP interactions: 1 interactions with chain C, 1 interactions with chain A Salt bridges: C:R.101, A:K.90 SO4.4: 7 residues within 4Å: Chain B: R.101, R.103 Chain C: I.86, G.87, D.88, G.89, K.90 8 PLIP interactions: 2 interactions with chain B, 6 interactions with chain C Salt bridges: B:R.101, B:R.103, C:K.90 Hydrogen bonds: C:G.87, C:D.88, C:G.89 Water bridges: C:G.89, C:G.89 SO4.5: 6 residues within 4Å: Chain A: I.86, G.87, D.88, K.90 Chain C: R.101, R.103 7 PLIP interactions: 2 interactions with chain C, 5 interactions with chain A Salt bridges: C:R.101, C:R.103, A:K.90 Hydrogen bonds: A:G.87, A:D.88 Water bridges: A:G.89, A:G.89 SO4.6: 6 residues within 4Å: Chain A: R.101, R.103 Chain B: I.86, G.87, D.88, K.90 9 PLIP interactions: 7 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:G.87, B:D.88 Water bridges: B:G.89, B:G.89, B:G.89, B:G.89 Salt bridges: B:K.90, A:R.101, A:R.103

3 x NI: NICKEL (II) ION(Non-covalent)

NI.7: 3 residues within 4Å: Chain C: M.1, V.96, D.110 5 PLIP interactions: 3 interactions with chain C, 2 Ligand-Water interactions Metal complexes: C:M.1, C:V.96, C:D.110, H2O.131, H2O.132 NI.8: 3 residues within 4Å: Chain A: M.1, V.96, D.110 5 PLIP interactions: 3 interactions with chain A, 2 Ligand-Water interactions Metal complexes: A:M.1, A:V.96, A:D.110, H2O.41, H2O.42 NI.9: 3 residues within 4Å: Chain B: M.1, V.96, D.110 5 PLIP interactions: 3 interactions with chain B, 2 Ligand-Water interactions Metal complexes: B:M.1, B:V.96, B:D.110, H2O.69, H2O.82

Links

RCSB   PDBe   PDBj   PDBsum   CATH   PLIP

Citation

Xu, Y. et al., The structures of the PII proteins from the cyanobacteria Synechococcus sp. PCC 7942 and Synechocystis sp. PCC 6803. Acta Crystallogr.,Sect.D (2003)

Release Date

2003-09-23

Peptides

Nitrogen regulatory protein P-II: ABC

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

C
C

Nitrogen regulatory protein P-II