1F9I	Signaling Protein	date	Jul 10, 2000
title	Crystal Structure Of The Photoactive Yellow Protein Mutant Y
authors	R.Brudler, T.E.Meyer, U.K.Genick, G.Tollin, E.D.Getzoff
compound		source
Molecule: Photoactive Yellow Protein Chain: A Engineered: Yes Mutation: Yes		Organism_scientific: Halorhodospira Halophila Organism_taxid: 1053 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet 20b
symmetry	Space Group: P 63	R_factor R_Free
crystal cell	length a length b length c angle alpha angle beta angle gamma 65.699 65.699 40.239 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.10 Å
ligand	HC4	enzyme
related structures	by homologous chain: 1OTA, 1OTB
Gene Ontology	Chain Function Process Component A
Primary reference	Coupling of hydrogen bonding to chromophore conformation and function in photoactive yellow protein., Brudler R, Meyer TE, Genick UK, Devanathan S, Woo TT, Millar DP, Gerwert K, Cusanovich MA, Tollin G, Getzoff ED, Biochemistry 2000 Nov 7;39(44):13478-86. PMID:11063584

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1f9i.pdb1.gz) 44 Kb LPC: Ligand-Protein Contacts for 1F9I CSU: Contacts of Structural Units for 1F9I Likely Quarternary Molecular Structure file(s) for 1F9I Structure Factors (393 Kb) Retrieve 1F9I in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1F9I from S2C, [Save to disk] Re-refined 1f9i structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1F9I 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 1F9I

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1F9I from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1F9I, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1f9ia_, region A [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: [1f9i_A] [1f9i] SWISS-PROT database: [P16113] Domain organization of [PYP_HALHA] by SWISSPFAM Domain found in 1F9I: [PAS ] by SMART

Other resources with information on 1F9I

Community annotation for 1F9I at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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