1QRA	Signaling Protein	date	Jun 12, 1999
title	Structure Of P21ras In Complex With Gtp At 100 K
authors	A.Scheidig, C.Burmester, R.S.Goody
compound		source
Molecule: Transforming Protein P21h-Ras-1 Chain: A Fragment: Residues 1 - 166 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector: Ptacras
symmetry	Space Group: P 32 2 1	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 39.567 39.567 159.255 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.60 Å
ligand	GTP, MG	enzyme
related structures	by homologous chain: 121P, 1LF0
Gene Ontology	Chain Function Process Component A
Primary reference	The pre-hydrolysis state of p21(ras) in complex with GTP: new insights into the role of water molecules in the GTP hydrolysis reaction of ras-like proteins., Scheidig AJ, Burmester C, Goody RS, Structure Fold Des 1999 Nov 15;7(11):1311-24. PMID:10574788

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (1qra.pdb1.gz) 33 Kb LPC: Ligand-Protein Contacts for 1QRA CSU: Contacts of Structural Units for 1QRA Likely Quarternary Molecular Structure file(s) for 1QRA Structure Factors (346 Kb) Retrieve 1QRA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QRA from S2C, [Save to disk] Re-refined 1qra structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1QRA 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 1QRA

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 1QRA, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qraa_, 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: [1qra_A] [1qra] SWISS-PROT database: [P01112] Domain organization of [RASH_HUMAN] by SWISSPFAM Domain found in 1QRA: [RAS ] by SMART

Other resources with information on 1QRA

Community annotation for 1QRA at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1QRA from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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