1Y21		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
related structures	by homologous chain: 1NTF, 1SI6
Gene Ontology	Chain Function Process Component A nitric oxide transport
Primary reference	Heme-assisted S-nitrosation of a proximal thiolate in a nitric oxide transport protein., Weichsel A, Maes EM, Andersen JF, Valenzuela JG, Shokhireva TKh, Walker FA, Montfort WR, Proc Natl Acad Sci U S A. 2005 Jan 18;102(3):594-9. Epub 2005 Jan 6. PMID:15637157

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (1y21.pdb1.gz) 50 Kb CSU: Contacts of Structural Units for 1Y21 Likely Quarternary Molecular Structure file(s) for 1Y21 Structure Factors (217 Kb) Retrieve 1Y21 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Y21 from S2C, [Save to disk] Re-refined 1y21 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Y21 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: [1y21] [1y21_A] SWISS-PROT database: [O76745] Domain found in 1Y21: [IPPc ] by SMART

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