2R55	Transport Protein	date	Sep 03, 2007
title	Human Star-Related Lipid Transfer Protein 5
authors	L.Lehtio, R.D.Busam, C.H.Arrowsmith, H.Berglund, R.Collins, L.G.D A.M.Edwards, S.Flodin, A.Flores, S.Graslund, M.Hammarstrom, B.M. M.D.Herman, I.Johansson, A.Kallas, T.Karlberg, T.Kotenyova, M.Mo P.Nordlund, T.Nyman, J.Sagemark, M.Sundstrom, A.G.Thorsell, L.Tr S.Van Den Berg, J.Weigelt, M.Welin, C.Persson, Structural Genom Consortium (Sgc)
compound		source
Molecule: Star-Related Lipid Transfer Protein 5 Chain: A, B Synonym: Stard5, Start Domain-Containing Protein 5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Stard5 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pnic-Bsa4
symmetry	Space Group: P 65	R_factor 0.232 R_Free 0.276
crystal cell	length a length b length c angle alpha angle beta angle gamma 62.870 62.870 214.930 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.50 Å
Gene Ontology	Chain Function Process Component A, B intermembrane cholesterol tr...
Primary reference	Comparative structural analysis of lipid binding START domains., Thorsell AG, Lee WH, Persson C, Siponen MI, Nilsson M, Busam RD, Kotenyova T, Schuler H, Lehtio L, PLoS One. 2011;6(6):e19521. Epub 2011 Jun 30. PMID:21738568

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (71 Kb) [Save to disk] Biological Unit Coordinates (2r55.pdb1.gz) 33 Kb Biological Unit Coordinates (2r55.pdb2.gz) 34 Kb CSU: Contacts of Structural Units for 2R55 Likely Quarternary Molecular Structure file(s) for 2R55 Structure Factors (240 Kb) Retrieve 2R55 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2R55 from S2C, [Save to disk] Re-refined 2r55 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2R55 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 2R55

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 2R55, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2r55] [2r55_B] [2r55_A] SWISS-PROT database: [Q9NSY2] Domain organization of [STAR5_HUMAN] by SWISSPFAM Domain found in 2R55: [START ] by SMART

Other resources with information on 2R55

Community annotation for 2R55 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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