3I3S	Signaling Protein	date	Jun 30, 2009
title	Crystal Structure Of H-Ras With Thr50 Replaced By Isoleucine
authors	L.Gremer, R.Dvorsky, T.Merbitz-Zahradnik, A.Wittinghofer, M.R.Ah
compound		source
Molecule: Gtpase Hras Chain: R Fragment: Unp Residues 1-166 Synonym: Transforming Protein P21, P21ras, H-Ras-1, C-H-Ras Gtpase Hras, N-Terminally Processed; Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Hras, Hras1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
symmetry	Space Group: H 3 2	R_factor 0.159 R_Free 0.178
crystal cell	length a length b length c angle alpha angle beta angle gamma 89.210 89.210 134.640 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.36 Å
ligand	CA, GNP, MG	enzyme
Gene Ontology	Chain Function Process Component R
Primary reference	A restricted spectrum of NRAS mutations causes Noonan syndrome., Cirstea IC, Kutsche K, Dvorsky R, Gremer L, Carta C, Horn D, Roberts AE, Lepri F, Merbitz-Zahradnik T, Konig R, Kratz CP, Pantaleoni F, Dentici ML, Joshi VA, Kucherlapati RS, Mazzanti L, Mundlos S, Patton MA, Silengo MC, Rossi C, Zampino G, Digilio C, Stuppia L, Seemanova E, Pennacchio LA, Gelb BD, Dallapiccola B, Wittinghofer A, Ahmadian MR, Tartaglia M, Zenker M, Nat Genet. 2009 Dec 6. PMID:19966803

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (73 Kb) [Save to disk] Biological Unit Coordinates (3i3s.pdb1.gz) 66 Kb Biological Unit Coordinates (3i3s.pdb2.gz) 391 Kb Biological Unit Coordinates (3i3s.pdb3.gz) 131 Kb Biological Unit Coordinates (3i3s.pdb4.gz) 131 Kb LPC: Ligand-Protein Contacts for 3I3S CSU: Contacts of Structural Units for 3I3S Structure Factors (650 Kb) Retrieve 3I3S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3I3S from S2C, [Save to disk] Re-refined 3i3s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3I3S 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 3I3S

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 3I3S, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3i3s_R] [3i3s] SWISS-PROT database: [P01112] Domain organization of [RASH_HUMAN] by SWISSPFAM Domain found in 3I3S: [RAS ] by SMART

Other resources with information on 3I3S

Community annotation for 3I3S at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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