1O3A		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	780, CA BindingDB	enzyme
related structures	by homologous chain: 1J17, 1V2K
Gene Ontology	Chain Function Process Component A
Primary reference	Elaborate manifold of short hydrogen bond arrays mediating binding of active site-directed serine protease inhibitors., Katz BA, Elrod K, Verner E, Mackman RL, Luong C, Shrader WD, Sendzik M, Spencer JR, Sprengeler PA, Kolesnikov A, Tai VW, Hui HC, Breitenbucher JG, Allen D, Janc JW, J Mol Biol 2003 May 23;329(1):93-120. PMID:12742021

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (81 Kb) [Save to disk] Biological Unit Coordinates (1o3a.pdb1.gz) 76 Kb LPC: Ligand-Protein Contacts for 1O3A CSU: Contacts of Structural Units for 1O3A Likely Quarternary Molecular Structure file(s) for 1O3A Structure Factors (70 Kb) Retrieve 1O3A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1O3A from S2C, [Save to disk] Re-refined 1o3a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1O3A 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: [1o3a] [1o3a_A] SWISS-PROT database: [P00760] Domain found in 1O3A: [Tryp_SPc ] by SMART

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