3UG9	Membrane Protein	date	Nov 02, 2011
title	Crystal Structure Of The Closed State Of Channelrhodopsin
authors	H.E.Kato, R.Ishitani, O.Nureki
compound		source
Molecule: Archaeal-Type Opsin 1, Archaeal-Type Opsin 2 Chain: A Synonym: Channelopsin-1, Chlamyopsin 4 Light-Gated Ion Chan Retinal Binding Protein, Sensory Opsin B; Engineered: Yes Other_details: Chimera Protein Of Archaeal-Type Opsin 1 (Un 24-245) And Archaeal-Type Opsin 2 (Unp Residues 207-309) Fr Chlamydomonas Reinhardtii		Organism_scientific: Chlamydomonas Reinhardtii Organism_taxid: 3055 Gene: Acop1, Acop2, Chlredraft_182032, Cop4, Csob Expression_system: Spodoptera Frugiperda Expression_system_taxid: 7108 Expression_system_cell_line: Sf9 Expression_system_vector_type: Baculovirus Expression_system_plasmid: Pfastbac
symmetry	Space Group: C 2 2 21	R_factor 0.204 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 59.471 139.114 90.049 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	OLA, RET	enzyme
Gene	CHLREDRAFT
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of the channelrhodopsin light-gated cation channel., Kato HE, Zhang F, Yizhar O, Ramakrishnan C, Nishizawa T, Hirata K, Ito J, Aita Y, Tsukazaki T, Hayashi S, Hegemann P, Maturana AD, Ishitani R, Deisseroth K, Nureki O, Nature. 2012 Jan 22;482(7385):369-74. doi: 10.1038/nature10870. PMID:22266941

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (101 Kb) [Save to disk] Biological Unit Coordinates (3ug9.pdb1.gz) 187 Kb LPC: Ligand-Protein Contacts for 3UG9 CSU: Contacts of Structural Units for 3UG9 Structure Factors (145 Kb) Retrieve 3UG9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3UG9 from S2C, [Save to disk] Re-refined 3ug9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3UG9 in 3D

Proteopedia, because life has more than 2D. On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure. On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.

Visual 3D analysis of 3UG9

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3UG9, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3ug9] [3ug9_A] SWISS-PROT database: Domain organization of by SWISSPFAM Domain found in 3UG9: [Bac_rhodopsin ] by SMART

Other resources with information on 3UG9

Community annotation for 3UG9 at PDBWiki (http://pdbwiki.org)

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