6Q21	Oncogene Protein	date	Jul 27, 1992
title	Molecular Switch For Signal Transduction: Structural Differe Between Active And Inactive Forms Of Protooncogenic Ras Pro
authors	S.H.Kim
compound		source
Molecule: C-H-Ras P21 Protein Catalytic Domain Chain: A, B, C, D Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system_vector_type: Plasmid
symmetry	Space Group: P 1 1 21	R_factor 0.190 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 41.980 79.120 128.500 90.00 90.00 117.48
method	X-Ray Diffraction	resolution	1.95 Å
ligand	GCP, MG	enzyme
related structures	by homologous chain: 1RVD, 721P
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Molecular switch for signal transduction: structural differences between active and inactive forms of protooncogenic ras proteins., Milburn MV, Tong L, deVos AM, Brunger A, Yamaizumi Z, Nishimura S, Kim SH, Science 1990 Feb 23;247(4945):939-45. PMID:2406906

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (128 Kb) [Save to disk] Biological Unit Coordinates (6q21.pdb1.gz) 122 Kb LPC: Ligand-Protein Contacts for 6Q21 CSU: Contacts of Structural Units for 6Q21 Likely Quarternary Molecular Structure file(s) for 6Q21 Retrieve 6Q21 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 6Q21 from S2C, [Save to disk]

View 6Q21 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 6Q21

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 6Q21, from MSDmotif at EBI Genome occurence of 6Q21's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d6q21a_, region A [Jmol] [rasmolscript] [script source]     - Domain d6q21b_, region B [Jmol] [rasmolscript] [script source]     - Domain d6q21c_, region C [Jmol] [rasmolscript] [script source]     - Domain d6q21d_, region D [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: [6q21_A] [6q21] [6q21_D] [6q21_C] [6q21_B] SWISS-PROT database: [P01112] Domain organization of [RASH_HUMAN] by SWISSPFAM Domain found in 6Q21: [RAS ] by SMART

Other resources with information on 6Q21

Community annotation for 6Q21 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 6Q21 from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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