1ASN		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	PLP, SO4	enzyme
related structures	by homologous chain: 1ASE, 1CZC
Gene Ontology	Chain Function Process Component B, A
Primary reference	Crystal structures of Escherichia coli aspartate aminotransferase in two conformations. Comparison of an unliganded open and two liganded closed forms., Jager J, Moser M, Sauder U, Jansonius JN, J Mol Biol 1994 Jun 3;239(2):285-305. PMID:8196059

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (132 Kb) [Save to disk] Biological Unit Coordinates (1asn.pdb1.gz) 127 Kb LPC: Ligand-Protein Contacts for 1ASN CSU: Contacts of Structural Units for 1ASN Likely Quarternary Molecular Structure file(s) for 1ASN Structure Factors (273 Kb) Retrieve 1ASN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1ASN from S2C, [Save to disk] Re-refined 1asn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1ASN 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: [1asn] [1asn_A] [1asn_B] SWISS-PROT database: [P00509]

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