2F7S	Signaling Protein	date	Dec 01, 2005
title	The Crystal Structure Of Human Rab27b Bound To Gdp
authors	J.Wang, S.Ismail, Y.Shen, W.Tempel, C.H.Arrowsmith, A.M.Edwards, M.Sundstrom, A.Bochkarev, H.W.Park, Structural Genomics Consortium (Sgc)
compound		source
Molecule: Ras-Related Protein Rab-27b Chain: A, B Synonym: C25kg Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Rab27b Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) (Codon Plus) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet28
symmetry	Space Group: P 21 21 21	R_factor 0.245 R_Free 0.292
crystal cell	length a length b length c angle alpha angle beta angle gamma 55.469 64.023 153.320 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.70 Å
ligand	GDP, MG	enzyme
Gene Ontology	Chain Function Process Component A, B nucleotide binding GTPase activity GTP binding GDP binding protein domain specific bind... GTP catabolic process regulation of exocytosis positive regulation of exocy... multivesicular body sorting ... Golgi apparatus Golgi stack membrane apical plasma membrane trans-Golgi network transpor... secretory granule membrane multivesicular body membrane... zymogen granule membrane

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (66 Kb) [Save to disk] Biological Unit Coordinates (2f7s.pdb1.gz) 60 Kb LPC: Ligand-Protein Contacts for 2F7S CSU: Contacts of Structural Units for 2F7S Likely Quarternary Molecular Structure file(s) for 2F7S Structure Factors (142 Kb) Retrieve 2F7S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2F7S from S2C, [Save to disk] Re-refined 2f7s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2F7S 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. On AstexViewer, from MSD-EBI (viewer documentation). On RasMol (Install RasMol freeware) Here's help on how to use RasMol.

Visual 3D analysis of 2F7S

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 2F7S, from MSDmotif at EBI Fold representative 2f7s from FSSP and Dali (Families of Structurally Similar Proteins)

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2f7s_A] [2f7s_B] SWISS-PROT database: [O00194] Domain organization of [RB27B_HUMAN] by SWISSPFAM Domain found in 2F7S: [RAB ] by SMART Alignments of the sequence of 2F7S with the sequences similar proteins can be viewed for 2F7S's classification [RB27B_HUMAN] at ProtoMap. Click on "Neighbors List", then on the "See Alignments" button below the list. A sequence distance tree ("phylogenetic tree") can be viewed for 1ACL's classification [RB27B_HUMAN] at ProtoMap. Click on the Cluster number.

Other resources with information on 2F7S

Community annotation for 2F7S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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