1K6N Photosynthesis date Oct 16, 2001
title E(L212)A,D(L213)A Double Mutant Structure Of Photosynthetic Center From Rhodobacter Sphaeroides
authors P.R.Pokkuluri, P.D.Laible, Y.L.Deng, T.N.Wong, D.K.Hanson, M.Sch
compound source
Molecule: Photosynthetic Reaction Center L Subunit
Chain: L
Synonym: Reaction Center Protein L Chain
Engineered: Yes
Mutation: Yes
Organism_scientific: Rhodobacter Sphaeroides
Organism_taxid: 1063
Gene: Pufqbalmx
Expression_system: Rhodobacter Sphaeroides
Expression_system_taxid: 1063
Expression_system_strain: Deltadelta11
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Prkhtl212-213aa

Molecule: Photosynthetic Reaction Center M Subunit
Chain: M
Synonym: Reaction Center Protein M Chain
Engineered: Yes

Organism_scientific: Rhodobacter Sphaeroides
Organism_taxid: 1063
Gene: Pufqbalmx
Expression_system: Rhodobacter Sphaeroides
Expression_system_taxid: 1063
Expression_system_strain: Deltadelta11
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Prkhtmhbgl

Molecule: Photosynthetic Reaction Center H Subunit
Chain: H
Synonym: Reaction Center Protein H Chain
Engineered: Yes

Organism_scientific: Rhodobacter Sphaeroides
Organism_taxid: 1063
Gene: Pufqbalmx
Expression_system: Rhodobacter Sphaeroides
Expression_system_taxid: 1063
Expression_system_strain: Deltadelta11
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Prkhtmhbgl
symmetry Space Group: P 31 2 1
R_factor 0.203 R_Free 0.207
crystal
cell
length a length b length c angle alpha angle beta angle gamma
141.500 141.500 187.400 90.00 90.00 120.00
method X-Ray Diffractionresolution 3.10 Å
ligand BCL, BPH, CDL, FE, LDA, SPN, U10 enzyme
Gene
Ontology
ChainFunctionProcessComponent
H
  • electron transporter, transf...


  • L


    M


    Primary referenceThe structure of a mutant photosynthetic reaction center shows unexpected changes in main chain orientations and quinone position., Pokkuluri PR, Laible PD, Deng YL, Wong TN, Hanson DK, Schiffer M, Biochemistry 2002 May 14;41(19):5998-6007. PMID:11993994
    Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (160 Kb) [Save to disk]
  • Biological Unit Coordinates (1k6n.pdb1.gz) 149 Kb
  • LPC: Ligand-Protein Contacts for 1K6N
  • CSU: Contacts of Structural Units for 1K6N
  • Likely Quarternary Molecular Structure file(s) for 1K6N
  • Structure Factors (527 Kb)
  • Retrieve 1K6N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1K6N from S2C, [Save to disk]
  • Re-refined 1k6n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 1K6N 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 1K6N
  • Cartoon representation from PDB Cartoon
  • 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
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 1K6N, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1k6nh2, region H:11-35 [Jmol] [rasmolscript] [script source]
        - Domain d1k6nh1, region H:36-250 [Jmol] [rasmolscript] [script source]
        - Domain d1k6nl_, region L [Jmol] [rasmolscript] [script source]
        - Domain d1k6nm_, region M [Jmol] [rasmolscript] [script source]
  • Fold representative 1k6n from FSSP and Dali (Families of Structurally Similar Proteins)
  • 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: [1k6n_M] [1k6n_L] [1k6n_H] [1k6n]
  • SWISS-PROT database: [P0C0Y7] [P0C0Y8] [P0C0Y9]
  • Belongs to the photosynthetic reaction center (prc) family according to TCDB.
  • Domain organization of [RCEH_RHOSH] [RCEL_RHOSH] [RCEM_RHOSH] by SWISSPFAM
  • Other resources with information on 1K6N
  • Community annotation for 1K6N 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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