1SP4		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	EP2	enzyme
related structures	by homologous chain: 1CPJ, 1QDQ
Gene Ontology	Chain Function Process Component B, A
Primary reference	Crystal structure of NS-134 in complex with bovine cathepsin B: a two headed epoxysuccinyl inhibitor extends along the whole active site cleft., Stern I, Schaschke N, Moroder L, Turk D, Biochem J 2004 Apr 15;Pt. PMID:15084146

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1sp4.pdb1.gz) 44 Kb LPC: Ligand-Protein Contacts for 1SP4 CSU: Contacts of Structural Units for 1SP4 Likely Quarternary Molecular Structure file(s) for 1SP4 Structure Factors (184 Kb) Retrieve 1SP4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SP4 from S2C, [Save to disk] Re-refined 1sp4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SP4 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: [1sp4] [1sp4_A] [1sp4_B] [1sp4_I] SWISS-PROT database: [P07688] Domain found in 1SP4: [Pept_C1 ] by SMART

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