2X2D	Isomerase Viral Protein	date	Jan 12, 2010
title	Acetyl-Cypa:Hiv-1 N-Term Capsid Domain Complex
authors	M.Lammers, H.Neumann, J.W.Chin, L.C.James
compound		source
Molecule: Peptidyl-Prolyl Cis-Trans Isomerase A Chain: B, C Synonym: Ppiase A, Rotamase A, Cyclophilin A, Cyclosporin A Protein, Cypa; Ec: 5.2.1.8 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_variant: C41 Expression_system_plasmid: Popth
Molecule: Capsid Protein P24 Chain: D, E Fragment: Residues 133-278 Synonym: Ca, Gag Polyprotein		Organism_scientific: Human Immunodeficiency Virus 1 Organism_taxid: 11676
symmetry	Space Group: P 1 21 1	R_factor 0.197 R_Free 0.257
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.542 109.995 67.567 90.00 101.11 90.00
method	X-Ray Diffraction	resolution	1.95 Å
ligand	ALY	enzyme	Isomerase E.C.5.2.1.8 BRENDA
Gene Ontology	Chain Function Process Component C, B D, E
Primary reference	Acetylation regulates cyclophilin A catalysis, immunosuppression and HIV isomerization., Lammers M, Neumann H, Chin JW, James LC, Nat Chem Biol. 2010 May;6(5):331-7. Epub 2010 Apr 4. PMID:20364129

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk] Biological Unit Coordinates (2x2d.pdb1.gz) 51 Kb Biological Unit Coordinates (2x2d.pdb2.gz) 50 Kb LPC: Ligand-Protein Contacts for 2X2D CSU: Contacts of Structural Units for 2X2D Structure Factors (522 Kb) Retrieve 2X2D in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2X2D from S2C, [Save to disk] Re-refined 2x2d structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2X2D 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.

Visual 3D analysis of 2X2D

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2X2D, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2x2d_C] [2x2d_B] [2x2d_E] [2x2d] [2x2d_D] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 2X2D

Community annotation for 2X2D at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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