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(-) Description

Title :  R3/I5 RELAXIN CHIMERA
 
Authors :  K. Rosengren, L. M. Haugaard-Jonsson
Date :  17 Mar 08  (Deposition) - 08 Apr 08  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
Keywords :  Peptide Hormone, Relaxin-3, Insl5, Chimera, Cleavage On Pair Of Basic Residues, Secreted, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. M. Haugaard-Jonsson, M. A. Hossain, N. L. Daly, R. A. Bathgate, J. D. Wade, D. J. Craik, K. J. Rosengren
Structure Of The R3/I5 Chimeric Relaxin Peptide, A Selective Gpcr135 And Gpcr142 Agonist.
J. Biol. Chem. V. 283 23811 2008
PubMed-ID: 18577524  |  Reference-DOI: 10.1074/JBC.M800489200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - RELAXIN-3
    Chains: B
    Engineered: YES
    Fragment: RELAXIN-3 B CHAIN
    Other Details: PEPTIDE CHAIN WAS ASSEMBLED BY SOLID PHASE PEPTIDE SYNTHESIS.
    Synonym: PRORELAXIN H3, INSULIN-LIKE PEPTIDE INSL7, INSULIN-LIKE PEPTIDE 7
    Synthetic: YES
 
Molecule 2 - INSULIN-LIKE PEPTIDE INSL5
    Chains: A
    Engineered: YES
    Fragment: INSULIN-LIKE PEPTIDE INSL5 A CHAIN
    Other Details: PEPTIDE CHAIN WAS ASSEMBLED BY SOLID PHASE PEPTIDE SYNTHESIS.
    Synonym: INSULIN-LIKE PEPTIDE 5
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

NMR Structure (2, 2)
No.NameCountTypeFull Name
1NH21Mod. Amino AcidAMINO GROUP
2PCA1Mod. Amino AcidPYROGLUTAMIC ACID

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG B:26BINDING SITE FOR RESIDUE NH2 A 25

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:10 -A:15
2B:10 -A:11
3B:22 -A:24

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2K1V)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2K1V)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1INSULINPS00262 Insulin family signature.INSL5_HUMAN121-135  1A:10-24

(-) Exons   (0, 0)

(no "Exon" information available for 2K1V)

(-) 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:22
 aligned with INSL5_HUMAN | Q9Y5Q6 from UniProtKB/Swiss-Prot  Length:135

    Alignment length:22
                                              135     
                                   124       134| 
          INSL5_HUMAN   115 QDLQTLCCTDGCSMTDLSALC-   -
               SCOP domains ---------------------- SCOP domains
               CATH domains ---------------------- CATH domains
               Pfam domains -Insulin-2k1vA01     - Pfam domains
         Sec.struct. author ...hhhhhhh..hhhhhh.... Sec.struct. author
                 SAPs(SNPs) ---------------------- SAPs(SNPs)
                    PROSITE ------INSULIN        - PROSITE
                 Transcript ---------------------- Transcript
                 2k1v A   4 xDLQTLCCTDGCSMTDLSALCx  25
                            |       13        23 |
                            |                   25-NH2
                            4-PCA                 


Chain B from PDB  Type:PROTEIN  Length:27
 aligned with REL3_HUMAN | Q8WXF3 from UniProtKB/Swiss-Prot  Length:142

    Alignment length:27
                                    35        45       
           REL3_HUMAN    26 RAAPYGVRLCGREFIRAVIFTCGGSRW  52
               SCOP domains --------------------------- SCOP domains
               CATH domains --------------------------- CATH domains
               Pfam domains ------Insulin-2k1vB01       Pfam domains
         Sec.struct. author .........hhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) --------------------------- SAPs(SNPs)
                    PROSITE --------------------------- PROSITE
                 Transcript --------------------------- Transcript
                 2k1v B   1 RAAPYGVRLCGREFIRAVIFTCGGSRW  27
                                    10        20
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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 2K1V)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2K1V)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: Insulin (93)

(-) Gene Ontology  (7, 10)

NMR Structure(hide GO term definitions)
Chain A   (INSL5_HUMAN | Q9Y5Q6)
molecular function
    GO:0001664    G-protein coupled receptor binding    Interacting selectively and non-covalently with a G-protein coupled receptor.
    GO:0005179    hormone activity    The action characteristic of a hormone, any substance formed in very small amounts in one specialized organ or group of cells and carried (sometimes in the bloodstream) to another organ or group of cells in the same organism, upon which it has a specific regulatory action. The term was originally applied to agents with a stimulatory physiological action in vertebrate animals (as opposed to a chalone, which has a depressant action). Usage is now extended to regulatory compounds in lower animals and plants, and to synthetic substances having comparable effects; all bind receptors and trigger some biological process.
biological process
    GO:0008150    biological_process    Any process specifically pertinent to the functioning of integrated living units: cells, tissues, organs, and organisms. A process is a collection of molecular events with a defined beginning and end.
    GO:2000253    positive regulation of feeding behavior    Any process that activates or increases the frequency, rate or extent of feeding behavior.
cellular component
    GO:0005575    cellular_component    The part of a cell, extracellular environment or virus in which a gene product is located. A gene product may be located in one or more parts of a cell and its location may be as specific as a particular macromolecular complex, that is, a stable, persistent association of macromolecules that function together.
    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.

Chain B   (REL3_HUMAN | Q8WXF3)
molecular function
    GO:0001664    G-protein coupled receptor binding    Interacting selectively and non-covalently with a G-protein coupled receptor.
    GO:0005179    hormone activity    The action characteristic of a hormone, any substance formed in very small amounts in one specialized organ or group of cells and carried (sometimes in the bloodstream) to another organ or group of cells in the same organism, upon which it has a specific regulatory action. The term was originally applied to agents with a stimulatory physiological action in vertebrate animals (as opposed to a chalone, which has a depressant action). Usage is now extended to regulatory compounds in lower animals and plants, and to synthetic substances having comparable effects; all bind receptors and trigger some biological process.
    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).
cellular component
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        INSL5_HUMAN | Q9Y5Q6: 2kbc
        REL3_HUMAN | Q8WXF3: 2fhw

(-) Related Entries Specified in the PDB File

2fhw RELAXIN-3 STRUCTURE