1PBV - JenaLib

Title :   SEC7 DOMAIN OF THE EXCHANGE FACTOR ARNO

Authors :   J. Cherfils, J. Menetrey, M. Mathieu, G. Le Bras, S. Robineau, S. Beraud-Dufour, B. Antonny, P. Chardin

Date :   15 Jan 98 (Deposition) - 09 Mar 99 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.00

Chains :   Asym./Biol. Unit : A

Keywords :   Exchange Factor, Sec7, Arno, Arf Functional Class: Guanine Nucleotide Exchange Factor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. Cherfils, J. Menetrey, M. Mathieu, G. Le Bras, S. Robineau, S. Beraud-Dufour, B. Antonny, P. Chardin
Structure Of The Sec7 Domain Of The Arf Exchange Factor Arno.
Nature V. 392 101 1998
PubMed-ID: 9510256 | Reference-DOI: 10.1038/32210
(for further references see the PDB file header)

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (0, 0)

Sites (0, 0)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (1, 1)

Exons (0, 0)

Sequences/Alignments

Asymmetric/Biological Unit

Reformat:	Number of residues per line = ('0' or empty: single-line sequence representation)
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	UniProt sequence: complete aligned part

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Chain A from PDB  Type:PROTEIN  Length:195
 aligned with CYH2_HUMAN | Q99418 from UniProtKB/Swiss-Prot  Length:400

    Alignment length:195
                                    61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241     
           CYH2_HUMAN    52 ANEGSKTLQRNRKMAMGRKKFNMDPKKGIQFLVENELLQNTPEEIARFLYKGEGLNKTAIGDYLGEREELNLAVLHAFVDLHEFTDLNLVQALRQFLWSFRLPGEAQKIDRMMEAFAQRYCLCNPGVFQSTDTCYVLSFAVIMLNTSLHNPNVRDKPGLERFVAMNRGINEGGDLPEELLRNLYDSIRNEPFKIP 246
               SCOP domains d1pbva_ A: Exchange factor ARNO                                                                                                                                                                     SCOP domains
               CATH domains 1pbvA01 A:52-133  [code=1.10.220.20, no name defined]                             1pbvA02 A:134-246 Arf Nucleotide-binding Site Opener,domain 2                                                     CATH domains
               Pfam domains ------Sec7-1pbvA01 A:58-243                                                                                                                                                                     --- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhh.......hhhhhhhhhh.....hhhhhhhh....hhhhhhhhhhhh........hhhhhhhhhh.......hhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhh.........hhhhhhhh..........hhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --SEC7  PDB: A:54-241 UniProt: 54-241                                                                                                                                                         ----- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1pbv A  52 ANEGSKTLQRNRKMAMGRKKFNMDPKKGIQFLVENELLQNTPEEIARFLYKGEGLNKTAIGDYLGEREELNLAVLHAFVDLHEFTDLNLVQALRQFLWSFRLPGEAQKIDRMMEAFAQRYCLCNPGVFQSTDTCYVLSFAVIMLNTSLHNPNVRDKPGLERFVAMNRGINEGGDLPEELLRNLYDSIRNEPFKIP 246
                                    61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241

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	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (2, 2)

Pfam Domains (1, 1)

Gene Ontology (16, 16)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (CYH2_HUMAN | Q99418)

molecular function
	GO:0005086	ARF guanyl-nucleotide exchange factor activity	Stimulates the exchange of guanyl nucleotides associated with the GTPase ARF. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
	GO:0005085	guanyl-nucleotide exchange factor activity	Stimulates the exchange of guanyl nucleotides associated with a GTPase. Under normal cellular physiological conditions, the concentration of GTP is higher than that of GDP, favoring the replacement of GDP by GTP in association with the GTPase.
	GO:0070679	inositol 1,4,5 trisphosphate binding	Interacting selectively and non-covalently with inositol 1,4,5 trisphosphate.
	GO:0008289	lipid binding	Interacting selectively and non-covalently with a lipid.
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
	GO:0030036	actin cytoskeleton organization	A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
	GO:0006897	endocytosis	A vesicle-mediated transport process in which cells take up external materials or membrane constituents by the invagination of a small region of the plasma membrane to form a new membrane-bounded vesicle.
	GO:0043547	positive regulation of GTPase activity	Any process that activates or increases the activity of a GTPase.
	GO:0032012	regulation of ARF protein signal transduction	Any process that modulates the frequency, rate or extent of ARF protein signal transduction.
cellular component
	GO:0000139	Golgi membrane	The lipid bilayer surrounding any of the compartments of the Golgi apparatus.
	GO:0042995	cell projection	A prolongation or process extending from a cell, e.g. a flagellum or axon.
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
	GO:0030426	growth cone	The migrating motile tip of a growing nerve cell axon or dendrite.
	GO:0016020	membrane	A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
	GO:0005886	plasma membrane	The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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