SMTL ID : 1gka.1

THE MOLECULAR BASIS OF THE COLORATION MECHANISM IN LOBSTER SHELL. BETA-CRUSTACYANIN AT 3.2 A RESOLUTION

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.23 Å

Oligo State

hetero-oligomer

Ligands

2 x AXT: ASTAXANTHIN(Non-covalent)

AXT.1: 27 residues within 4Å: Chain A: I.2, F.5, V.6, N.42, Y.44, Q.45, N.53, S.66, I.94, Y.96, A.102, S.119, I.121, Y.123, N.124, F.125, Y.127, F.131, F.133, F.135 Chain B: F.86, H.90, F.99, A.100, A.101, P.102 Ligands: D12.2 22 PLIP interactions: 21 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:I.2, A:F.5, A:V.6, A:V.6, A:Y.44, A:Y.44, A:I.94, A:Y.96, A:A.102, A:I.121, A:Y.123, A:Y.127, A:F.131, A:F.131, A:F.133, A:F.133, B:F.99 Hydrogen bonds: A:Q.45, A:Q.45, A:N.53, A:S.66, A:Y.96 AXT.3: 29 residues within 4Å: Chain A: N.85, E.89, H.91, S.93, F.100, A.101, A.102, P.103 Chain B: I.3, P.4, F.6, Q.32, N.38, Y.40, Q.41, T.64, F.78, I.93, A.95, A.101, S.118, I.120, T.122, D.123, Y.125, S.127, F.129, F.131 Ligands: D12.2 24 PLIP interactions: 19 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:I.3, B:F.6, B:Y.40, B:Y.40, B:Q.41, B:F.78, B:F.78, B:I.93, B:A.95, B:A.101, B:I.120, B:T.122, B:Y.125, B:Y.125, B:F.129, B:F.129, B:F.131, A:F.100, A:F.100, A:A.101 Hydrogen bonds: B:Q.32, B:T.64, A:E.89, A:E.89

1 x D12: DODECANE(Non-covalent)

D12.2: 7 residues within 4Å: Chain A: Y.44, S.99, F.100, A.101 Chain B: F.99 Ligands: AXT.1, AXT.3 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:F.100, A:F.100, B:F.99, B:F.99

1 x TRS: 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL(Non-functional Binders)

TRS.4: 5 residues within 4Å: Chain B: Q.18, R.25, T.108, D.109, Y.110 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.18, B:R.25, B:R.25, B:D.109

1 x EPE: 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID(Non-functional Binders)

EPE.5: 2 residues within 4Å: Chain B: K.11, C.12 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:C.12

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Cianci, M. et al., The Molecular Basis of the Coloration Mechanism in Lobster Shell: Beta -Crustacyanin at 3.2-A Resolution. Proc.Natl.Acad.Sci.USA (2002)

Release Date

2002-08-08

Peptides

CRUSTACYANIN A1 SUBUNIT: A
CRUSTACYANIN A2 SUBUNIT: B

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

CRUSTACYANIN A1 SUBUNIT

CRUSTACYANIN A2 SUBUNIT

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