1S54 Proton Transport date Jan 19, 2004
title Thr24ala Bacteriorhodopsin
authors S.Yohannan, S.Faham, D.Yang, D.Grosfeld, A.K.Chamberlain, J.U.Bow
compound source
Molecule: Bacteriorhodopsin
Chain: A, B
Synonym: Br
Engineered: Yes
Mutation: Yes
Organism_scientific: Halobacterium Salinarum
Organism_taxid: 2242
Expression_system: Halobacterium Salinarum
Expression_system_taxid: 2242
Expression_system_strain: L33
Other_details: Dna Transformed Into E. Coli, Then Transform Halobacterium Salinarum Where The Protein Is Expressed.
symmetry Space Group: P 1 21 1
R_factor 0.243 R_Free 0.287
crystal
cell
length a length b length c angle alpha angle beta angle gamma
44.182 108.366 55.685 90.00 113.68 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand RET enzyme
related structures by homologous chain: 1TN5, 1XJI
Gene
Ontology
ChainFunctionProcessComponent
A, B


Primary referenceA C alpha-H...O hydrogen bond in a membrane protein is not stabilizing., Yohannan S, Faham S, Yang D, Grosfeld D, Chamberlain AK, Bowie JU, J Am Chem Soc 2004 Mar 3;126(8):2284-5. PMID:14982414
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (76 Kb) [Save to disk]
  • Biological Unit Coordinates (1s54.pdb1.gz) 37 Kb
  • Biological Unit Coordinates (1s54.pdb2.gz) 37 Kb
  • LPC: Ligand-Protein Contacts for 1S54
  • CSU: Contacts of Structural Units for 1S54
  • Likely Quarternary Molecular Structure file(s) for 1S54
  • Retrieve 1S54 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1S54 from S2C, [Save to disk]
  • View 1S54 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 1S54
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1S54, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1s54a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1s54b_, region B [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1s54_A] [1s54] [1s54_B]
  • SWISS-PROT database: [P02945]
  • Belongs to the ion-translocating microbial rhodopsin (mr) family according to TCDB.
  • Domain organization of [BACR_HALSA] by SWISSPFAM
  • Domain found in 1S54: [Bac_rhodopsin ] by SMART
  • Other resources with information on 1S54
  • Community annotation for 1S54 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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