1Q20		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	A3P, NA, PLO	enzyme
related structures	by homologous chain: 1Q1Z
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of human cholesterol sulfotransferase (SULT2B1b) in the presence of pregnenolone and 3'-phosphoadenosine 5'-phosphate. Rationale for specificity differences between prototypical SULT2A1 and the SULT2BG1 isoforms., Lee KA, Fuda H, Lee YC, Negishi M, Strott CA, Pedersen LC, J Biol Chem 2003 Nov 7;278(45):44593-9. Epub 2003 Aug 14. PMID:12923182

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (1q20.pdb1.gz) 50 Kb LPC: Ligand-Protein Contacts for 1Q20 CSU: Contacts of Structural Units for 1Q20 Likely Quarternary Molecular Structure file(s) for 1Q20 Structure Factors (244 Kb) Retrieve 1Q20 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1Q20 from S2C, [Save to disk] Re-refined 1q20 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1Q20 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: [1q20] [1q20_A] SWISS-PROT database: [O00204]

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