1SUM		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	CA, FE, NI, PO3	enzyme
Gene Ontology	Chain Function Process Component B
Primary reference	Crystal structure of a PhoU protein homologue: a new class of metalloprotein containing multinuclear iron clusters., Liu J, Lou Y, Yokota H, Adams PD, Kim R, Kim SH, J Biol Chem 2005 Apr 22;280(16):15960-6. Epub 2005 Feb 16. PMID:15716271

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (45 Kb) [Save to disk] Biological Unit Coordinates (1sum.pdb1.gz) 38 Kb Biological Unit Coordinates (1sum.pdb2.gz) 75 Kb LPC: Ligand-Protein Contacts for 1SUM CSU: Contacts of Structural Units for 1SUM Likely Quarternary Molecular Structure file(s) for 1SUM Structure Factors (104 Kb) Retrieve 1SUM in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1SUM from S2C, [Save to disk] Re-refined 1sum structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1SUM 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: [1sum] [1sum_B] SWISS-PROT database: [Q9X256]

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