3DLV - JenaLib

Title :   STRUCTURES OF SRP54 AND SRP19, THE TWO PROTEINS ASSEMBLING THE RIBONUCLEIC CORE OF THE SIGNAL RECOGNITION PARTICLE FROM THE ARCHAEON PYROCOCCUS FURIOSUS.

Authors :   P. F. Egea, J. Napetschnig, P. Walter, R. M. Stroud

Date :   29 Jun 08 (Deposition) - 04 Nov 08 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.87

Chains :   Asym. Unit : A,B
Biol. Unit 1: B  (1x)
Biol. Unit 2: A  (1x)

Keywords :   Protein-Rna, Signal Recognition Particle, Cytoplasm, Ribonucleoprotein, Rna-Binding, Rna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   P. F. Egea, J. Napetschnig, P. Walter, R. M. Stroud
Structures Of Srp54 And Srp19, The Two Proteins That Organize The Ribonucleic Core Of The Signal Recognition Particle From Pyrococcus Furiosus.
Plos One V. 3 E3528 2008
PubMed-ID: 18953414 | Reference-DOI: 10.1371/JOURNAL.PONE.0003528
(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 (0, 0)

Exons (0, 0)

Sequences/Alignments

Asymmetric Unit

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

Show mapping:	SCOP domains	CATH domains	Pfam domains	Secondary structure (by author)
	SAPs(SNPs)	PROSITE motifs	Exons
	(details for a mapped element are shown in a popup box when the mouse pointer rests over it)

Chain A from PDB  Type:PROTEIN  Length:92
 aligned with SRP19_PYRFU | Q8TZT9 from UniProtKB/Swiss-Prot  Length:100

    Alignment length:99
                                    11        21        31        41        51        61        71        81        91         
          SRP19_PYRFU     2 GRFVVWPSELDSRLSRKYGRIVPRSIAVESPRVEEIVRAAEELKFKVIRVEEDKLNPRLSGIDEELRTFGMIVLESPYGKSKSLKLIAQKIREFRRRSA 100
               SCOP domains d3dlva_ A: automated matches                                                                        SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeehhhhhh...hhhhh............hhhhhhhhhhhh..eeeeeeeeee..-------..eeeeeeeee...hhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 3dlv A   2 GRFVVWPSELDSRLSRKYGRIVPRSIAVESPRVEEIVRAAEELKFKVIRVEEDKLNP-------ELRTFGMIVLESPYGKSKSLKLIAQKIREFRRRSA 100
                                    11        21        31        41        51      |  -    |   71        81        91         
                                                                                   58      66

Chain B from PDB  Type:PROTEIN  Length:98
 aligned with SRP19_PYRFU | Q8TZT9 from UniProtKB/Swiss-Prot  Length:100

    Alignment length:104
                                                                                                                            100     
                                    11        21        31        41        51        61        71        81        91        |-    
          SRP19_PYRFU     2 GRFVVWPSELDSRLSRKYGRIVPRSIAVESPRVEEIVRAAEELKFKVIRVEEDKLNPRLSGIDEELRTFGMIVLESPYGKSKSLKLIAQKIREFRRRSA-----   -
               SCOP domains d3dlvb_ B: automated matches                                                                             SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeehhhhhh....................hhhhhhhhhhhh..eeeeeeeee...------....eeeeeeee...hhhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 3dlv B   2 GRFVVWPSELDSRLSRKYGRIVPRSIAVESPRVEEIVRAAEELKFKVIRVEEDKLNP------EELRTFGMIVLESPYGKSKSLKLIAQKIREFRRRSAGTLVP 105
                                    11        21        31        41        51      |  -   |    71        81        91       101    
                                                                                   58     65

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	x	→ Chemical Group	(purple background, 'x', labelled with number + name, e.g. ACE or NH2)
	extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '\|'

Classification and Annotation

SCOP Domains (1, 2)

CATH Domains (0, 0)

Pfam Domains (0, 0)

Gene Ontology (7, 7)

Asymmetric Unit(hide GO term definitions)

Chain A,B (SRP19_PYRFU | Q8TZT9)

molecular function
	GO:0008312	7S RNA binding	Interacting selectively and non-covalently with 7S RNA, the RNA component of the signal recognition particle (SRP).
	GO:0003723	RNA binding	Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
biological process
	GO:0006614	SRP-dependent cotranslational protein targeting to membrane	The targeting of proteins to a membrane that occurs during translation and is dependent upon two key components, the signal-recognition particle (SRP) and the SRP receptor. SRP is a cytosolic particle that transiently binds to the endoplasmic reticulum (ER) signal sequence in a nascent protein, to the large ribosomal unit, and to the SRP receptor in the ER membrane.
	GO:0006612	protein targeting to membrane	The process of directing proteins towards a membrane, usually using signals contained within the protein.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
	GO:0030529	intracellular ribonucleoprotein complex	An intracellular macromolecular complex containing both protein and RNA molecules.
	GO:0048500	signal recognition particle	A complex of protein and RNA which facilitates translocation of proteins across membranes.

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