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(-) Description

Title :  SOLUTION NMR STRUCTURE OF LIPOPROTEIN SPR FROM ESCHERICHIA COLI K12. NORTHEAST STRUCTURAL GENOMICS TARGET ER541-37-162
 
Authors :  J. M. Aramini, P. Rossi, L. Zhao, M. Jiang, M. Maglaqui, R. Xiao, J. Liu, M G. V. T. Swapna, Y. J. Huang, T. B. Acton, B. Rost, G. T. Montelione, Nort Structural Genomics Consortium (Nesg)
Date :  03 Mar 08  (Deposition) - 18 Mar 08  (Release) - 13 Jul 11  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Solution Nmr Structure, Bacterial Lipoprotein, Cysteine Peptidase, Nplc/P60 Family, Construct Optimized, Membrane, Palmitate, Structural Genomics, Psi-2, Protein Structure Initiative, Northeast Structural Genomics Consortium, Nesg, Lipoprotein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. M. Aramini, P. Rossi, Y. J. Huang, L. Zhao, M. Jiang, M. Maglaqui, R. Xiao, J. Locke, R. Nair, B. Rost, T. B. Acton, M. Inouye, G. T. Montelione
Solution Nmr Structure Of The Nlpc/P60 Domain Of Lipoprotei Spr From Escherichia Coli: Structural Evidence For A Novel Cysteine Peptidase Catalytic Triad.
Biochemistry V. 47 9715 2008
PubMed-ID: 18715016  |  Reference-DOI: 10.1021/BI8010779

(-) Compounds

Molecule 1 - LIPOPROTEIN SPR
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET21
    Expression System StrainBL21(DE3)MGK
    Expression System Taxid562
    Expression System VectorER541-37-162-21.1
    Expression System Vector TypePLASMID
    FragmentRESIDUES 63-188
    GeneSPR, YEIV, B2175, JW2163
    Organism ScientificESCHERICHIA COLI
    Organism Taxid83333
    StrainK12

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x)A
NMR Structure * (1x)A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2K1G)

(-) Sites  (0, 0)

(no "Site" information available for 2K1G)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2K1G)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2K1G)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) 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    
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:129
 aligned with MEPS_ECOLI | P0AFV4 from UniProtKB/Swiss-Prot  Length:188

    Alignment length:129
                                                                                                                                                        188  
                                    71        81        91       101       111       121       131       141       151       161       171       181      |  
           MEPS_ECOLI    62 RNVDVKSRIMDQYADWKGVRYRLGGSTKKGIDCSGFVQRTFREQFGLELPRSTYEQQEMGKSVSRSNLRTGDLVLFRAGSTGRHVGIYIGNNQFVHASTSSGVIISSMNEPYWKKRYNEARRVLSRS--   -
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 2k1gA00 A:36-164 endopeptidase domain like (from Nostoc punctiforme)                                                              CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhh..............hhhhhhhhhhhhh.......hhhhhhhhheeehhhhh...eeeeeee...eeeeeeeee..eeeeee...eeeeee..hhhhhhheeeeee....... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2k1g A  36 MNVDVKSRIMDQYADWKGVRYRLGGSTKKGIDCSGFVQRTFREQFGLELPRSTYEQQEMGKSVSRSNLRTGDLVLFRAGSTGRHVGIYIGNNQFVHASTSSGVIISSMNEPYWKKRYNEARRVLSRSLE 164
                                    45        55        65        75        85        95       105       115       125       135       145       155         

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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)

(no "SCOP Domain" information available for 2K1G)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2K1G)

(-) Gene Ontology  (12, 12)

NMR Structure(hide GO term definitions)
Chain A   (MEPS_ECOLI | P0AFV4)
molecular function
    GO:0008234    cysteine-type peptidase activity    Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
    GO:0004175    endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    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:0045227    capsule polysaccharide biosynthetic process    The chemical reactions and pathways resulting in the formation of polysaccharides that make up the capsule, a protective structure surrounding some species of bacteria and fungi.
    GO:0071555    cell wall organization    A process that results in the assembly, arrangement of constituent parts, or disassembly of the cell wall, the rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal and most prokaryotic cells, maintaining their shape and protecting them from osmotic lysis.
    GO:0000270    peptidoglycan metabolic process    The chemical reactions and pathways involving peptidoglycans, any of a class of glycoconjugates found only in bacterial cell walls and consisting of strands of glycosaminoglycan cross-linked by oligopeptides to form a huge and rigid network.
    GO:0009254    peptidoglycan turnover    The continual breakdown and regeneration of peptidoglycan required to maintain the cell wall.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
cellular component
    GO:0009279    cell outer membrane    A lipid bilayer that forms the outermost membrane of the cell envelope; enriched in polysaccharide and protein; the outer leaflet of the membrane contains specific lipopolysaccharide structures.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

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