1I21		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	MSE	enzyme
related structures	by homologous chain: 1I1D
Gene Ontology	Chain Function Process Component N, M, Y, X, B, A
Primary reference	The crystal structures of Apo and complexed Saccharomyces cerevisiae GNA1 shed light on the catalytic mechanism of an amino-sugar N-acetyltransferase., Peneff C, Mengin-Lecreulx D, Bourne Y, J Biol Chem 2001 May 11;276(19):16328-34. PMID:11278591

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (158 Kb) [Save to disk] Biological Unit Coordinates (1i21.pdb1.gz) 53 Kb Biological Unit Coordinates (1i21.pdb2.gz) 52 Kb Biological Unit Coordinates (1i21.pdb3.gz) 52 Kb LPC: Ligand-Protein Contacts for 1I21 CSU: Contacts of Structural Units for 1I21 Likely Quarternary Molecular Structure file(s) for 1I21 Structure Factors (315 Kb) Retrieve 1I21 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1I21 from S2C, [Save to disk] Re-refined 1i21 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1I21 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: [1i21] [1i21_A] [1i21_B] [1i21_M] [1i21_N] [1i21_X] [1i21_Y] SWISS-PROT database: [P43577]

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