1A9N		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: 1DRZ, 1OIA
Gene Ontology	Chain Function Process Component B, D
Primary reference	Crystal structure of the spliceosomal U2B"-U2A' protein complex bound to a fragment of U2 small nuclear RNA., Price SR, Evans PR, Nagai K, Nature 1998 Aug 13;394(6694):645-50. PMID:9716128

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (108 Kb) [Save to disk] Biological Unit Coordinates (1a9n.pdb1.gz) 51 Kb Biological Unit Coordinates (1a9n.pdb2.gz) 53 Kb CSU: Contacts of Structural Units for 1A9N Likely Quarternary Molecular Structure file(s) for 1A9N Structure Factors (255 Kb) Retrieve 1A9N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A9N from S2C, [Save to disk] Re-refined 1a9n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A9N 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: [1a9n] [1a9n_A] [1a9n_B] [1a9n_C] [1a9n_D] [1a9n_Q] [1a9n_R] SWISS-PROT database: [P09661] [P08579] Domains found in 1A9N: [LRRcap] [RRM ] by SMART

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