1A5S		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	FIP, NA, PLP, SER	enzyme
related structures	by homologous chain: 1A50, 1WQ5, 2WSY
Gene Ontology	Chain Function Process Component A B
Primary reference	Loop closure and intersubunit communication in tryptophan synthase., Schneider TR, Gerhardt E, Lee M, Liang PH, Anderson KS, Schlichting I, Biochemistry 1998 Apr 21;37(16):5394-406. PMID:9548921

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (105 Kb) [Save to disk] Biological Unit Coordinates (1a5s.pdb1.gz) 198 Kb LPC: Ligand-Protein Contacts for 1A5S CSU: Contacts of Structural Units for 1A5S Likely Quarternary Molecular Structure file(s) for 1A5S Structure Factors (248 Kb) Retrieve 1A5S in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A5S from S2C, [Save to disk] Re-refined 1a5s structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1A5S 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: [1a5s] [1a5s_A] [1a5s_B] SWISS-PROT database: [P00929] [P0A2K1]

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