1Q90: Structure of the cytochrome b6f (plastohydroquinone : plastocyanin oxidoreductase) from Chlamydomonas reinhardtii

PDB ID: 1Q90Download
MMDB ID: 25730
PDB Deposition Date: 2003/8/22
Updated in MMDB: 2024/11
Experimental Method:
x-ray diffraction
Resolution: 3.1  Å
Source Organism:
Similar Structures:
Biological Unit for 1Q90: octadecameric; determined by author and by software (PISA)
Molecular Components in 1Q90
Label Count Molecule
Proteins (18 molecules)
2
Apocytochrome F
(Gene symbol: petA)
Molecule annotation
2
Cytochrome B6
(Gene symbol: petB)
Molecule annotation
2
Cytochrome B6-f Complex Iron-sulfur Subunit
(Gene symbol: PETC)
Molecule annotation
2
Cytochrome B6-f Complex Subunit 4
(Gene symbol: PETM)
Molecule annotation
2
Cytochrome B6-f Complex Iron-sulfur Subunit
(Gene symbol: petD)
Molecule annotation
2
Cytochrome B6F Complex Subunit Petg
(Gene symbol: PETC)
Molecule annotation
2
Cytochrome B6F Complex Subunit Petl
(Gene symbol: petL)
Molecule annotation
2
Cytochrome B6F Complex Subunit Petm
(Gene symbol: petG)
Molecule annotation
2
Cytochrome B6F Complex Subunit Petn
(Gene symbol: petL)
Molecule annotation
Chemicals and Non-standard biopolymers (24 molecules)
1
8
HEME CHEME C
2
2
BETA-CAROTENEBETA-CAROTENE
3
2
EICOSANEEICOSANE
4
2
FE2/S2 (INORGANIC) CLUSTERFE2/S2 (INORGANIC) CLUSTER
5
2
CHLOROPHYLL ACHLOROPHYLL A
6
2
8-HYDROXY-5,7-DIMETHOXY-3-METHYL-2-TRIDECYL-4H-CHROMEN-4-ONE8-HYDROXY-5,7-DIMETHOXY-3-METHYL-2-TRIDECYL-4H-CHROMEN-4-ONE
7
4
1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE1,2-DISTEAROYL-MONOGALACTOSYL-DIGLYCERIDE
8
2
1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL1,2-DI-O-ACYL-3-O-[6-DEOXY-6-SULFO-ALPHA-D-GLUCOPYRANOSYL]-SN-GLYCEROL
* Click molecule labels to explore molecular sequence information.
Citing MMDB
Madej T, Lanczycki CJ, Zhang D, Thiessen PA, Geer RC, Marchler-Bauer A, Bryant SH. " MMDB and VAST+: tracking structural similarities between macromolecular complexes. Nucleic Acids Res. 2014 Jan; 42(Database issue):D297-303