1IRB		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	enzyme
related structures	by homologous chain: 1BP2, 1MKT
Gene Ontology	Chain Function Process Component A
Primary reference	Phospholipase A2 engineering. Deletion of the C-terminus segment changes substrate specificity and uncouples calcium and substrate binding at the zwitterionic interface., Huang B, Yu BZ, Rogers J, Byeon IJ, Sekar K, Chen X, Sundaralingam M, Tsai MD, Jain MK, Biochemistry 1996 Sep 17;35(37):12164-74. PMID:8810924

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (26 Kb) [Save to disk] Biological Unit Coordinates (1irb.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 1IRB CSU: Contacts of Structural Units for 1IRB Likely Quarternary Molecular Structure file(s) for 1IRB Structure Factors (73 Kb) Retrieve 1IRB in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IRB from S2C, [Save to disk] Re-refined 1irb structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1IRB 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: [1irb] [1irb_A] SWISS-PROT database: [P00593] Domain found in 1IRB: [PA2c ] by SMART

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