1P2S	Signaling Protein	date	Apr 16, 2003
title	H-Ras 166 In 50% 2,2,2 Triflouroethanol
authors	G.K.Buhrman, V.De Serrano, C.Mattos
compound		source
Molecule: Transforming Protein P21h-Ras-1 Chain: A Synonym: C-H-Ras Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hras Or Hras1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_cell_line: Jm105 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pat
symmetry	Space Group: P 32 2 1	R_factor 0.188 R_Free 0.230
crystal cell	length a length b length c angle alpha angle beta angle gamma 40.330 40.330 161.330 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.45 Å
ligand	ETF, GNP, MG	enzyme
related structures	by homologous chain: 1GNQ, 621P
Gene Ontology	Chain Function Process Component A
Primary reference	Organic solvents order the dynamic switch II in Ras crystals., Buhrman G, de Serrano V, Mattos C, Structure (Camb) 2003 Jul;11(7):747-51. PMID:12842038

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (33 Kb) [Save to disk] Biological Unit Coordinates (1p2s.pdb1.gz) 28 Kb LPC: Ligand-Protein Contacts for 1P2S CSU: Contacts of Structural Units for 1P2S Likely Quarternary Molecular Structure file(s) for 1P2S Structure Factors (69 Kb) Retrieve 1P2S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P2S from S2C, [Save to disk] Re-refined 1p2s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1P2S 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 1P2S

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 1P2S, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1p2sa_, region A [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: [1p2s] [1p2s_A] SWISS-PROT database: [P01112] Domain organization of [RASH_HUMAN] by SWISSPFAM Domain found in 1P2S: [RAS ] by SMART

Other resources with information on 1P2S

Community annotation for 1P2S 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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