1SPA		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	NPL	enzyme
related structures	by homologous chain: 1G4V, 1TOE
Gene Ontology	Chain Function Process Component A
Primary reference	Role of Asp222 in the catalytic mechanism of Escherichia coli aspartate aminotransferase: the amino acid residue which enhances the function of the enzyme-bound coenzyme pyridoxal 5'-phosphate., Yano T, Kuramitsu S, Tanase S, Morino Y, Kagamiyama H, Biochemistry 1992 Jun 30;31(25):5878-87. PMID:1610831

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (68 Kb) [Save to disk] Biological Unit Coordinates (1spa.pdb1.gz) 125 Kb LPC: Ligand-Protein Contacts for 1SPA CSU: Contacts of Structural Units for 1SPA Likely Quarternary Molecular Structure file(s) for 1SPA Retrieve 1SPA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SPA from S2C, [Save to disk]

View 1SPA 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: [1spa] [1spa_A] SWISS-PROT database: [P00509]

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