1SSA		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
ligand	SO4	enzyme
related structures	by homologous chain: 1RNQ, 1SSC
Gene Ontology	Chain Function Process Component A ribonuclease A activity
Primary reference	Structural investigation of catalytically modified F120L and F120Y semisynthetic ribonucleases., deMel VS, Doscher MS, Glinn MA, Martin PD, Ram ML, Edwards BF, Protein Sci 1994 Jan;3(1):39-50. PMID:8142897

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (1ssa.pdb1.gz) 22 Kb LPC: Ligand-Protein Contacts for 1SSA CSU: Contacts of Structural Units for 1SSA Likely Quarternary Molecular Structure file(s) for 1SSA Retrieve 1SSA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SSA from S2C, [Save to disk]

View 1SSA 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: [1ssa] [1ssa_A] [1ssa_B] SWISS-PROT database: [P61823] Domain found in 1SSA: [RNAse_Pc ] by SMART

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