3ECA		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	ASP	enzyme
related structures	by homologous chain: 1HO3, 1JJA
Gene Ontology	Chain Function Process Component D, B, A, C
Primary reference	Crystal structure of Escherichia coli L-asparaginase, an enzyme used in cancer therapy., Swain AL, Jaskolski M, Housset D, Rao JK, Wlodawer A, Proc Natl Acad Sci U S A 1993 Feb 15;90(4):1474-8. PMID:8434007

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (206 Kb) [Save to disk] Biological Unit Coordinates (3eca.pdb1.gz) 201 Kb LPC: Ligand-Protein Contacts for 3ECA CSU: Contacts of Structural Units for 3ECA Likely Quarternary Molecular Structure file(s) for 3ECA Structure Factors (283 Kb) Retrieve 3ECA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3ECA from S2C, [Save to disk] Re-refined 3eca structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3ECA 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: [3eca] [3eca_A] [3eca_B] [3eca_C] [3eca_D] SWISS-PROT database: [P00805] Domain found in 3ECA: [Asparaginase ] by SMART

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