SMTL ID : 6sir.2 (1 other biounit)

Crystal structure of the guanylate cyclase domain of RhGC from Catenaria anguillulae in complex with GTP

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x CA: CALCIUM ION(Non-covalent)

CA.1: 4 residues within 4Å: Chain A: D.18, I.19, D.62 Ligands: GTP.2 3 PLIP interactions: 3 interactions with chain A Metal complexes: A:D.18, A:I.19, A:D.62 CA.4: 5 residues within 4Å: Chain B: D.18, I.19, F.22, D.62 Ligands: GTP.5 3 PLIP interactions: 3 interactions with chain B Metal complexes: B:D.18, B:I.19, B:D.62

2 x GTP: GUANOSINE-5'-TRIPHOSPHATE(Non-covalent)

GTP.2: 20 residues within 4Å: Chain A: D.18, I.19, T.20, N.21, F.22, T.23, I.60, G.61, D.62, R.106 Chain B: F.16, E.58, I.60, L.65, L.128, V.133, N.134, S.137, R.138 Ligands: CA.1 14 PLIP interactions: 7 interactions with chain A, 7 interactions with chain B Hydrogen bonds: A:N.21, A:F.22, A:T.23, A:T.23, A:G.61, B:S.137 Water bridges: A:V.24, B:E.58, B:L.128, B:S.137, B:R.138 Salt bridges: A:R.106, B:E.58, B:R.138 GTP.5: 20 residues within 4Å: Chain A: F.16, E.58, L.65, L.128, V.133, N.134, S.137, R.138, K.173 Chain B: D.18, I.19, T.20, N.21, F.22, T.23, I.60, G.61, D.62, R.106 Ligands: CA.4 19 PLIP interactions: 10 interactions with chain A, 9 interactions with chain B Hydrogen bonds: A:S.137, B:N.21, B:F.22, B:T.23, B:T.23, B:G.61 Water bridges: A:E.58, A:N.134, A:R.138, A:R.138, B:N.21, B:V.24, B:D.62 Salt bridges: A:E.58, A:R.138, A:R.138, A:K.173, A:K.173, B:R.106

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.3: 5 residues within 4Å: Chain A: T.31 Chain B: E.8, P.113, V.114, T.115 3 PLIP interactions: 2 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:E.8, B:V.114, A:T.31

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Butryn, A. et al., Molecular basis for GTP recognition by light-activated guanylate cyclase RhGC. Febs J. (2020)

Release Date

2019-12-18

Peptides

Nucleotide cyclase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
C

Nucleotide cyclase

Related Entries With Identical Sequence