2LXB - JenaLib

Title :   SOLUTION STRUCTURE OF THE SGT2 HOMODIMERIZATION DOMAIN

Authors :   J. W. Chartron, D. G. Vandervelde, W. M. Clemons Jr.

Date :   19 Aug 12 (Deposition) - 21 Nov 12 (Release) - 16 Jan 13 (Revision)

Method :   SOLUTION NMR

Resolution :   NOT APPLICABLE

Chains :   NMR Structure  : A,B  (10x)
NMR Structure *: A,B  (1x)

Keywords :   Four-Helix Bundle, Protein-Protein Interaction, Get5 Binding Domain, Get Pathway, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   J. W. Chartron, D. G. Vandervelde, W. M. Clemons
Structures Of The Sgt2/Sgta Dimerization Domain With The Get5/Ubl4A Ubl Domain Reveal An Interaction That Forms A Conserved Dynamic Interface.
Cell Rep V. 2 1620 2012
PubMed-ID: 23142665 | Reference-DOI: 10.1016/J.CELREP.2012.10.010

Compounds

Molecule 1 - SMALL GLUTAMINE-RICH TETRATRICOPEPTIDE REPEAT-CONTAINING PROTEIN 2
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Plasmid	:	PET33B
	Expression System Strain	:	NICO21(DE3)
	Expression System Taxid	:	562
	Expression System Vector Type	:	PLASMID
	Fragment	:	N-TERMINAL DOMAIN
	Gene	:	SGT2, UNF346, YOR007C
	Organism Common	:	BAKER'S YEAST
	Organism Scientific	:	SACCHAROMYCES CEREVISIAE
	Organism Taxid	:	559292
	Strain	:	ATCC 204508 / S288C
	Synonym	:	SGT/UBP, VIRAL PROTEIN U-BINDING PROTEIN

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

NMR Structure

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
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Chain A from PDB  Type:PROTEIN  Length:74
 aligned with SGT2_YEAST | Q12118 from UniProtKB/Swiss-Prot  Length:346

    Alignment length:74
                              1                                                                       
                              |      8        18        28        38        48        58        68    
            SGT2_YEAST    - --MSASKEEIAALIVNYFSSIVEKKEISEDGADSLNVAMDCISEAFGFEREAVSGILGKSEFKGQHLADILNSA 72
               SCOP domains -------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhh....hhhhhhh...........hhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------- Transcript
                  2lxb A -1 SVDSASKEEIAALIVNYFSSIVEKKEISEDGADSLNVAMDCISEAFGFEREAVSGILGKSEFKGQHLADILNSA 72
                                     8        18        28        38        48        58        68

Chain B from PDB  Type:PROTEIN  Length:74
 aligned with SGT2_YEAST | Q12118 from UniProtKB/Swiss-Prot  Length:346

    Alignment length:74
                              1                                                                       
                              |      8        18        28        38        48        58        68    
            SGT2_YEAST    - --MSASKEEIAALIVNYFSSIVEKKEISEDGADSLNVAMDCISEAFGFEREAVSGILGKSEFKGQHLADILNSA 72
               SCOP domains -------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhh....hhhhhhh...........hhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------- Transcript
                  2lxb B -1 SVDSASKEEIAALIVNYFSSIVEKKEISEDGADSLNVAMDCISEAFGFEREAVSGILGKSEFKGQHLADILNSA 72
                                     8        18        28        38        48        58        68

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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 (0, 0)

CATH Domains (0, 0)

Pfam Domains (0, 0)

Gene Ontology (6, 6)

NMR Structure(hide GO term definitions)

Chain A,B (SGT2_YEAST | Q12118)

molecular function
	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).
	GO:0032947	protein complex scaffold activity	A structural molecule activity that provides a physical support for the assembly of a multiprotein complex. The scaffold may or may not be part of the final complex.
biological process
	GO:0006620	posttranslational protein targeting to endoplasmic reticulum membrane	The targeting of proteins to a membrane that occurs after their translation. Some secretory proteins exhibit posttranslational transport into the endoplasmic reticulum (ER) lumen: they are synthesized in their entirety on free cytosolic ribosomes and then released into the cytosol, where they are bound by chaperones which keep them in an unfolded state, and subsequently are translocated across the ER membrane.
	GO:0009408	response to heat	Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a heat stimulus, a temperature stimulus above the optimal temperature for that organism.
cellular component
	GO:0072380	TRC complex	An ER membrane insertion complex that contains subunits that recognize two types of transmembrane domain signals. In budding yeast the complex contains Get4p, Get5p, Sgt2p, and at least two heat shock proteins (HSPs).
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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