SMTL ID : 1s36.1

Crystal structure of a Ca2+-discharged photoprotein: Implications for the mechanisms of the calcium trigger and the bioluminescence

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.96 Å

Oligo State

monomer

Ligands

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

NA.1: 5 residues within 4Å: Chain A: D.30, N.32, N.34, K.36 Ligands: CL.2 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.32, A:N.34, A:N.34, A:K.36

1 x CL: CHLORIDE ION(Non-functional Binders)

CL.2: 6 residues within 4Å: Chain A: D.30, I.31, N.32, K.36, E.41 Ligands: NA.1 Ligand excluded by PLIP

1 x CEI: N-[3-BENZYL-5-(4-HYDROXYPHENYL)PYRAZIN-2-YL]-2-(4-HYDROXYPHENYL)ACETAMIDE(Non-covalent)

CEI.3: 19 residues within 4Å: Chain A: H.22, M.25, L.29, I.42, I.50, F.71, F.72, F.88, F.92, I.111, W.114, G.115, V.118, W.135, Y.138, I.144, M.171, H.175, W.179 18 PLIP interactions: 18 interactions with chain A Hydrophobic interactions: A:L.29, A:I.42, A:I.50, A:F.72, A:F.72, A:F.92, A:I.111, A:V.118, A:W.135, A:Y.138 Hydrogen bonds: A:H.22 Water bridges: A:I.111, A:G.115, A:Y.190 pi-Stacking: A:W.114, A:W.114, A:H.175, A:W.179

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.4: 2 residues within 4Å: Chain A: W.103, N.106 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:W.103, A:N.106 Water bridges: A:R.112, A:D.169, A:R.173

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Deng, L. et al., Crystal structure of a Ca2+-discharged photoprotein: implications for mechanisms of the calcium trigger and bioluminescence. J.Biol.Chem. (2004)

Release Date

2004-10-05

Peptides

Obelin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Obelin

Related Entries With Identical Sequence