1Q21		date
authors
compound		source
symmetry		R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma
method	X-Ray Diffraction	resolution
related structures	by homologous chain: 1NVU, 421P
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structures at 2.2 A resolution of the catalytic domains of normal ras protein and an oncogenic mutant complexed with GDP., Tong LA, de Vos AM, Milburn MV, Kim SH, J Mol Biol 1991 Feb 5;217(3):503-16. PMID:1899707

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (34 Kb) [Save to disk] Biological Unit Coordinates (1q21.pdb1.gz) 57 Kb CSU: Contacts of Structural Units for 1Q21 Likely Quarternary Molecular Structure file(s) for 1Q21 Retrieve 1Q21 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q21 from S2C, [Save to disk]

View 1Q21 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.

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1q21] [1q21_A] SWISS-PROT database: [P01112] Domain found in 1Q21: [RAS ] by SMART

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