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(-) Description

Title :  SOLUTION STRUCTURE OF A EOSINOPHIL CATIONIC PROTEIN-TRISACCHARIDE HEPARIN MIMETIC COMPLEX
 
Authors :  M. Garcia Mayoral, A. Canales, D. Diaz, J. Lopez Prados, M. Moussaoui Paz, J. Angulo, P. Nieto, J. Jimenez Barbero, E. Boix, M. Bruix
Date :  17 Jul 12  (Deposition) - 31 Jul 13  (Release) - 31 Jul 13  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Heparin, Molecular Recognition, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. F. Garcia-Mayoral, A. Canales, D. Diaz, J. Lopez-Prados, M. Moussaoui, J. L. De Paz, J. Angulo, P. M. Nieto, J. Jimenez-Barbero E. Boix, M. Bruix
Insights Into The Glycosaminoglycan-Mediated Cytotoxic Mechanism Of Eosinophil Cationic Protein Revealed By Nmr.
Acs Chem. Biol. V. 8 144 2013
PubMed-ID: 23025322  |  Reference-DOI: 10.1021/CB300386V

(-) Compounds

Molecule 1 - EOSINOPHIL CATIONIC PROTEIN
    ChainsA
    EC Number3.1.27.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Expression System VectorPET11C
    GeneRNASE3, ECP, RNS3
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymECP, RIBONUCLEASE 3, RNASE 3

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 3)

NMR Structure (3, 3)
No.NameCountTypeFull Name
1IDS1Ligand/Ion2-O-SULFO-ALPHA-L-IDOPYRANURONIC ACID
2LVZ1Ligand/IonPROPAN-2-YL 2-DEOXY-6-O-SULFO-2-(SULFOAMINO)-ALPHA-D-GLUCOPYRANOSIDE
3SGN1Ligand/IonN,O6-DISULFO-GLUCOSAMINE
NMR Structure * (3, 3)
No.NameCountTypeFull Name
1IDS1Ligand/Ion2-O-SULFO-ALPHA-L-IDOPYRANURONIC ACID
2LVZ1Ligand/IonPROPAN-2-YL 2-DEOXY-6-O-SULFO-2-(SULFOAMINO)-ALPHA-D-GLUCOPYRANOSIDE
3SGN1Ligand/IonN,O6-DISULFO-GLUCOSAMINE

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:7 , GLN A:14 , ARG A:34 , LYS A:38 , ASN A:39 , GLN A:40 , VAL A:127 , HIS A:128BINDING SITE FOR CHAIN A OF POLYSACCHARIDE RESIDUES 201 TO 203

(-) SS Bonds  (4, 4)

NMR Structure
No.Residues
1A:23 -A:83
2A:37 -A:96
3A:55 -A:111
4A:62 -A:71

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 3)

NMR Structure (3, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_014109R72CECP_HUMANPolymorphism151169198AR45C
2UniProtVAR_013149T124RECP_HUMANPolymorphism2073342AR97R
3UniProtVAR_029017G130RECP_HUMANPolymorphism12147890AG103R

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
NMR Structure * (3, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_014109R72CECP_HUMANPolymorphism151169198AR45C
2UniProtVAR_013149T124RECP_HUMANPolymorphism2073342AR97R
3UniProtVAR_029017G130RECP_HUMANPolymorphism12147890AG103R

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RNASE_PANCREATICPS00127 Pancreatic ribonuclease family signature.ECP_HUMAN64-70  1A:37-43
NMR Structure * (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RNASE_PANCREATICPS00127 Pancreatic ribonuclease family signature.ECP_HUMAN64-70  1A:37-43

(-) Exons   (1, 1)

NMR Structure (1, 1)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENST000003046391ENSE00001137146chr14:21359558-2135961053ECP_HUMAN-00--
1.2ENST000003046392ENSE00001124180chr14:21359841-21360507667ECP_HUMAN1-1621621A:1-133133

(-) 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
(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:133
 aligned with ECP_HUMAN | P12724 from UniProtKB/Swiss-Prot  Length:160

    Alignment length:133
                                    37        47        57        67        77        87        97       107       117       127       137       147       157   
            ECP_HUMAN    28 RPPQFTRAQWFAIQHISLNPPRCTIAMRAINNYRWRCKNQNTFLRTTFANVVNVCGNQSIRCPHNRTLNNCHRSRFRVPLLHCDLINPGAQNISNCTYADRPGRRFYVVACDNRDPRDSPRYPVVPVHLDTTI 160
               SCOP domains d2lvza_ A: Eosinophil cationic protein (ECP), ribonuclease 3                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhh.....hhhhhhhhh.........eeeee..hhhhhhhhh................ee....eeeeeeee............eeeeeeee.eeeeeee..........eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------C---------------------------------------------------R-----R------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------RNASE_P------------------------------------------------------------------------------------------ PROSITE
               Transcript 1 Exon 1.2  PDB: A:1-133 UniProt: 1-162 [INCOMPLETE]                                                                                    Transcript 1
                 2lvz A   1 RPPQFTRAQWFAIQHISLNPPRCTIAMRAINNYRWRCKNQNTFLRTTFANVVNVCGNQSIRCPHNRTLNNCHRSRFRVPLLHCDLINPGAQNISNCRYADRPGRRFYVVACDNRDPRDSPRYPVVPVHLDTTI 133
                                    10        20        30        40        50        60        70        80        90       100       110       120       130   

   Legend:   → Mismatch (orange background)
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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, 1)

NMR Structure

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2LVZ)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (15, 15)

NMR Structure(hide GO term definitions)
Chain A   (ECP_HUMAN | P12724)
molecular function
    GO:0004519    endonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
    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:0004518    nuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids.
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
    GO:0004540    ribonuclease activity    Catalysis of the hydrolysis of phosphodiester bonds in chains of RNA.
biological process
    GO:0006401    RNA catabolic process    The chemical reactions and pathways resulting in the breakdown of RNA, ribonucleic acid, one of the two main type of nucleic acid, consisting of a long, unbranched macromolecule formed from ribonucleotides joined in 3',5'-phosphodiester linkage.
    GO:0090501    RNA phosphodiester bond hydrolysis    The RNA metabolic process in which the phosphodiester bonds between ribonucleotides are cleaved by hydrolysis.
    GO:0019731    antibacterial humoral response    An immune response against bacteria mediated through a body fluid. Examples of this process are the antibacterial humoral responses in Mus musculus and Drosophila melanogaster.
    GO:0050830    defense response to Gram-positive bacterium    Reactions triggered in response to the presence of a Gram-positive bacterium that act to protect the cell or organism.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    GO:0002227    innate immune response in mucosa    Any process of the innate immune response that takes place in the mucosal tissues.
    GO:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
cellular component
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        ECP_HUMAN | P127241dyt 1h1h 1qmt 2kb5 4a2o 4a2y 4owz 4oxb 4oxf 4x08

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