1UWN	Signaling Protein	date	Feb 10, 2004
title	The Initial Events In The Photocycle Of Photoactive Yellow P Common Mechanism On Light Activation In Photoreceptor Prote
authors	R.Kort, K.J.Hellingwerf, R.B.G.Ravelli
compound		source
Molecule: Photoactive Yellow Protein Chain: X Synonym: Pyp Engineered: Yes Other_details: Dark State, Ground State (Pg)		Organism_scientific: Halorhodospira Halophila Organism_taxid: 1053 Strain: Bn9626 Cell: Bacterium Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: M15 Prep4 Phisp Expression_system_plasmid: Pqe30 Other_details: Halorhodospira Halophila Was Previously Know Ectothiorhodospira Halophila
symmetry	Space Group: P 63	R_factor 0.124 R_Free 0.147
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.922 65.922 40.584 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.20 Å
ligand	HC4, MSE, SO4	enzyme
note	1UWN (Molecule of the Month:pdb183, pdb195)
related structures	by homologous chain: 1KOU, 1UGU
Gene Ontology	Chain Function Process Component X
Primary reference	Initial events in the photocycle of photoactive yellow protein., Kort R, Hellingwerf KJ, Ravelli RB, J Biol Chem. 2004 Jun 18;279(25):26417-24. Epub 2004 Mar 16. PMID:15026418

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (56 Kb) [Save to disk] Biological Unit Coordinates (1uwn.pdb1.gz) 51 Kb LPC: Ligand-Protein Contacts for 1UWN CSU: Contacts of Structural Units for 1UWN Likely Quarternary Molecular Structure file(s) for 1UWN Retrieve 1UWN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1UWN from S2C, [Save to disk]

View 1UWN 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 1UWN

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1UWN from the CEP Server. Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1UWN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1uwnx_, region X [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: [1uwn_X] [1uwn] SWISS-PROT database: [P16113] Domain organization of [PYP_HALHA] by SWISSPFAM Domain found in 1UWN: [PAS ] by SMART

Other resources with information on 1UWN

Community annotation for 1UWN at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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