1PY3		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: 1PYL
Gene Ontology	Chain Function Process Component B, A, C
Primary reference	Crystal structure reveals two alternative conformations in the active site of ribonuclease Sa2., Sevcik J, Dauter Z, Wilson KS, Acta Crystallogr D Biol Crystallogr 2004 Jul;60(Pt 7):1198-204. Epub 2004, Jun 22. PMID:15213380

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (147 Kb) [Save to disk] Biological Unit Coordinates (1py3.pdb1.gz) 50 Kb Biological Unit Coordinates (1py3.pdb2.gz) 49 Kb Biological Unit Coordinates (1py3.pdb3.gz) 46 Kb LPC: Ligand-Protein Contacts for 1PY3 CSU: Contacts of Structural Units for 1PY3 Likely Quarternary Molecular Structure file(s) for 1PY3 Structure Factors (305 Kb) Retrieve 1PY3 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PY3 from S2C, [Save to disk] Re-refined 1py3 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PY3 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: [1py3] [1py3_A] [1py3_B] [1py3_C] SWISS-PROT database: [Q53752]

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