1P2I		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	CA, SO4	enzyme
related structures	by homologous chain: 1C2D, 1C2K, 1F5R, 6PTI
Gene Ontology	Chain Function Process Component A I
Primary reference	Structural consequences of accommodation of four non-cognate amino acid residues in the S1 pocket of bovine trypsin and chymotrypsin., Helland R, Czapinska H, Leiros I, Olufsen M, Otlewski J, Smalas AO, J Mol Biol 2003 Oct 31;333(4):845-61. PMID:14568540

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (1p2i.pdb1.gz) 47 Kb LPC: Ligand-Protein Contacts for 1P2I CSU: Contacts of Structural Units for 1P2I Likely Quarternary Molecular Structure file(s) for 1P2I Structure Factors (343 Kb) Retrieve 1P2I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1P2I from S2C, [Save to disk] Re-refined 1p2i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1P2I 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: [1p2i] [1p2i_A] [1p2i_I] SWISS-PROT database: [P00974] [P00760] Domains found in 1P2I: [KU] [Tryp_SPc ] by SMART

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