2PYR	Photoreceptor	date	Mar 04, 1998
title	Photoactive Yellow Protein, 1 Nanosecond Intermediate (287k)
authors	B.Perman, V.Srajer, Z.Ren, T.Y.Teng, C.Pradervand, T.Ursby, D.Bourgeois, F.Schotte, M.Wulff, R.Kort, K.Hellingwerf, K.Moffat
compound		source
Molecule: Photoactive Yellow Protein Chain: A Synonym: Pyp Engineered: Yes Other_details: Thioester Link Between Sg Cys 69 And C1 Hc4 150		Organism_scientific: Halorhodospira Halophila Organism_taxid: 1053 Strain: Bn9626 Gene: P16113 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: M15-Phisp Other_details: 4-Hydroxy Cinnamic Anhydride Chromophore Reconstitution
symmetry	Space Group: P 63	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 66.900 66.900 40.800 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	HC4	enzyme
related structures	by homologous chain: 1GSW, 2PYP
Gene Ontology	Chain Function Process Component A
Primary reference	Energy transduction on the nanosecond time scale: early structural events in a xanthopsin photocycle., Perman B, Srajer V, Ren Z, Teng T, Pradervand C, Ursby T, Bourgeois D, Schotte F, Wulff M, Kort R, Hellingwerf K, Moffat K, Science 1998 Mar 20;279(5358):1946-50. PMID:9506946

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (28 Kb) [Save to disk] Biological Unit Coordinates (2pyr.pdb1.gz) 24 Kb LPC: Ligand-Protein Contacts for 2PYR CSU: Contacts of Structural Units for 2PYR Likely Quarternary Molecular Structure file(s) for 2PYR Retrieve 2PYR in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2PYR from S2C, [Save to disk]

View 2PYR 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 2PYR

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2PYR, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2pyr__, region [Jmol] [rasmolscript] [script source] Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH Summaries and structural analyses of PDB data files from PDBSum Identification of Protein Pockets & Cavities at CASTp

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2pyr] [2pyr_A] SWISS-PROT database: [P16113] Domain organization of [PYP_HALHA] by SWISSPFAM Domain found in 2PYR: [PAS ] by SMART

Other resources with information on 2PYR

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

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