1PSN		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: 1PSO, 3PEP
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of human pepsin and its complex with pepstatin., Fujinaga M, Chernaia MM, Tarasova NI, Mosimann SC, James MN, Protein Sci 1995 May;4(5):960-72. PMID:7663352

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (1psn.pdb1.gz) 46 Kb CSU: Contacts of Structural Units for 1PSN Likely Quarternary Molecular Structure file(s) for 1PSN Structure Factors (247 Kb) Retrieve 1PSN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PSN from S2C, [Save to disk] Re-refined 1psn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1PSN 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: [1psn] [1psn_A] SWISS-PROT database: [P00790]

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