4R20		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	AER, HEM, HG	enzyme
Gene Ontology	Chain Function Process Component B, A
Primary reference	Structural and Kinetic Basis of Steroid 17alpha,20-Lyase Activity in Teleost Fish Cytochrome P450 17A1 and Its Absence in Cytochrome P450 17A2., Pallan PS, Nagy LD, Lei L, Gonzalez E, Kramlinger VM, Azumaya CM, Wawrzak Z, Waterman MR, Guengerich FP, Egli M, J Biol Chem. 2015 Feb 6;290(6):3248-68. doi: 10.1074/jbc.M114.627265. Epub 2014, Dec 22. PMID:25533464

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (274 Kb) [Save to disk] Biological Unit Coordinates (4r20.pdb1.gz) 133 Kb Biological Unit Coordinates (4r20.pdb2.gz) 135 Kb LPC: Ligand-Protein Contacts for 4R20 CSU: Contacts of Structural Units for 4R20 Structure Factors (1083 Kb) Retrieve 4R20 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4R20 from S2C, [Save to disk] Re-refined 4r20 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4R20 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: [4r20] [4r20_A] [4r20_B] SWISS-PROT database:

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