1B18		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	SO4	enzyme
related structures	by homologous chain: 1B2C, 1B2D
Gene Ontology	Chain Function Process Component A B
Primary reference	Crystallographic titration of cubic insulin crystals: pH affects GluB13 switching and sulfate binding., Diao J, Acta Crystallogr D Biol Crystallogr 2003 Apr;59(Pt 4):670-6. PMID:12657786

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (14 Kb) [Save to disk] Biological Unit Coordinates (1b18.pdb1.gz) 10 Kb Biological Unit Coordinates (1b18.pdb2.gz) 29 Kb Biological Unit Coordinates (1b18.pdb3.gz) 20 Kb LPC: Ligand-Protein Contacts for 1B18 CSU: Contacts of Structural Units for 1B18 Likely Quarternary Molecular Structure file(s) for 1B18 Structure Factors (94 Kb) Retrieve 1B18 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1B18 from S2C, [Save to disk] Re-refined 1b18 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1B18 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: [1b18] [1b18_A] [1b18_B] SWISS-PROT database: [P01315] Domain found in 1B18: [IlGF ] by SMART

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