3D20		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	017, CL, NA BindingDB	enzyme
Gene Ontology	Chain Function Process Component B, A
Primary reference	Effect of flap mutations on structure of HIV-1 protease and inhibition by saquinavir and darunavir., Liu F, Kovalevsky AY, Tie Y, Ghosh AK, Harrison RW, Weber IT, J Mol Biol. 2008 Aug 1;381(1):102-15. Epub 2008 Jul 1. PMID:18597780

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (82 Kb) [Save to disk] Biological Unit Coordinates (3d20.pdb1.gz) 78 Kb LPC: Ligand-Protein Contacts for 3D20 CSU: Contacts of Structural Units for 3D20 Likely Quarternary Molecular Structure file(s) for 3D20 Structure Factors (898 Kb) Retrieve 3D20 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3D20 from S2C, [Save to disk] Re-refined 3d20 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3D20 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: [3d20] [3d20_A] [3d20_B] SWISS-PROT database: [P04587]

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