SMTL ID : 4mry.1

Crystal Structure of Ca(2+)- discharged Y138F obelin mutant from Obelia longissima at 1.30 Angstrom resolution

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.30 Å

Oligo State

monomer

Ligands

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

CEI.1: 18 residues within 4Å: Chain A: H.22, M.25, F.28, L.29, A.46, I.50, F.72, F.88, W.92, W.114, G.115, V.118, F.138, I.141, M.171, H.175, W.179, Y.190 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:F.28, A:L.29, A:A.46, A:I.50, A:F.72, A:W.92, A:V.118, A:V.118, A:F.138, A:I.141, A:I.141, A:Y.190 Hydrogen bonds: A:H.22 Water bridges: A:W.114, A:T.172, A:H.175 pi-Stacking: A:W.114, A:H.175, A:W.179

3 x CA: CALCIUM ION(Non-covalent)

CA.2: 5 residues within 4Å: Chain A: D.30, N.32, N.34, K.36, E.41 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.30, A:K.36, A:E.41, A:E.41, H2O.3 CA.3: 5 residues within 4Å: Chain A: D.159, D.161, S.163, D.165, E.170 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.159, A:D.161, A:S.163, A:E.170, H2O.5 CA.4: 5 residues within 4Å: Chain A: D.123, D.125, S.127, T.129, E.134 5 PLIP interactions: 4 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.123, A:D.125, A:S.127, A:T.129, H2O.7

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Natashin, P.V. et al., Structures of the Ca2+-regulated photoprotein obelin Y138F mutant before and after bioluminescence support the catalytic function of a water molecule in the reaction. Acta Crystallogr.,Sect.D (2014)

Release Date

2014-03-12

Peptides

Obelin: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Obelin

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