1NUL		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	MG, SO4	enzyme
related structures	by homologous chain: 1A95
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal structure of Escherichia coli xanthine phosphoribosyltransferase., Vos S, de Jersey J, Martin JL, Biochemistry 1997 Apr 8;36(14):4125-34. PMID:9100006

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (1nul.pdb1.gz) 94 Kb LPC: Ligand-Protein Contacts for 1NUL CSU: Contacts of Structural Units for 1NUL Likely Quarternary Molecular Structure file(s) for 1NUL Structure Factors (185 Kb) Retrieve 1NUL in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NUL from S2C, [Save to disk] Re-refined 1nul structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1NUL 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: [1nul] [1nul_A] [1nul_B] SWISS-PROT database: [P0A9M5]

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