1SOM		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	NAG, UNX, VXA	enzyme
related structures	by homologous chain: 1GQR, 1JJB
Gene Ontology	Chain Function Process Component A acetylcholine catabolic proc...
Primary reference	Crystal structures of aged phosphonylated acetylcholinesterase: nerve agent reaction products at the atomic level., Millard CB, Kryger G, Ordentlich A, Greenblatt HM, Harel M, Raves ML, Segall Y, Barak D, Shafferman A, Silman I, Sussman JL, Biochemistry 1999 Jun 1;38(22):7032-9. PMID:10353814

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (92 Kb) [Save to disk] Biological Unit Coordinates (1som.pdb1.gz) 172 Kb LPC: Ligand-Protein Contacts for 1SOM CSU: Contacts of Structural Units for 1SOM Likely Quarternary Molecular Structure file(s) for 1SOM Structure Factors (366 Kb) Retrieve 1SOM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SOM from S2C, [Save to disk] Re-refined 1som structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SOM 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: [1som_A] [1som] SWISS-PROT database: [P04058]

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