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(-) Description

Title :  SOLUTION STRUCTURE OF THE CYSTEINE-RICH C1 DOMAIN OF KINASE SUPPRESSOR OF RAS
 
Authors :  M. Zhou, D. A. Horita, D. S. Waugh, R. A. Byrd, D. K. Morrison
Date :  06 Nov 01  (Deposition) - 23 Jan 02  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Kinase Suppressor Of Ras, Ksr, Cysteine-Rich Domain, Zinc- Binding Protein, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Zhou, D. A. Horita, D. S. Waugh, R. A. Byrd, D. K. Morrison
Solution Structure And Functional Analysis Of The Cysteine-Rich C1 Domain Of Kinase Suppressor Of Ras (Ksr).
J. Mol. Biol. V. 315 435 2002
PubMed-ID: 11786023  |  Reference-DOI: 10.1006/JMBI.2001.5263
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - KINASE SUPPRESSOR OF RAS
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PGEX-3X
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Fragment: CYSTEINE-RICH C1 DOMAIN (RESIDUES 330-378)
    Gene: KSR1
    Organism Common: HOUSE MOUSE
    Organism Scientific: MUS MUSCULUS
    Organism Taxid: 10090

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

NMR Structure (1, 2)
No.NameCountTypeFull Name
1ZN2Ligand/IonZINC ION

(-) Sites  (2, 2)

NMR Structure (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREHIS A:334 , CYS A:359 , LYS A:360 , CYS A:362 , CYS A:377BINDING SITE FOR RESIDUE ZN A 1
2AC2SOFTWARECYS A:346 , CYS A:349 , HIS A:367 , CYS A:370BINDING SITE FOR RESIDUE ZN A 2

(-) SS Bonds  (1, 1)

NMR Structure
No.Residues
1A:359 -A:377

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1KBF)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1KBF)

(-) PROSITE Motifs  (2, 2)

NMR Structure (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ZF_DAG_PE_2PS50081 Zinc finger phorbol-ester/DAG-type profile.KSR1_MOUSE333-377  1A:333-377
2ZF_DAG_PE_1PS00479 Zinc finger phorbol-ester/DAG-type signature.KSR1_MOUSE334-377  1A:334-377

(-) Exons   (0, 0)

(no "Exon" information available for 1KBF)

(-) 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:49
 aligned with KSR1_MOUSE | Q61097 from UniProtKB/Swiss-Prot  Length:873

    Alignment length:60
                                   328       338       348       358       368       378
           KSR1_MOUSE   319 GSPQLVRRDIGLSVTHRFSTKSWLSQVCNVCQKSMIFGVKCKHCRLKCHNKCTKEAPACR 378
               SCOP domains d           1kbfa_ A: Kinase suppressor of Ras, Ksr          SCOP domains
               CATH domains 1           kbfA00 A:330-378                                 CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author .-----------.....eeee................eeee....eee............ Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) --------------ZF_DAG_PE_2  PDB: A:333-377 UniProt: 333-377 - PROSITE (1)
                PROSITE (2) ---------------ZF_DAG_PE_1  PDB: A:334-377 UniProt: 334-377- PROSITE (2)
                 Transcript ------------------------------------------------------------ Transcript
                 1kbf A 330 G-----------SVTHRFSTKSWLSQVCNVCQKSMIFGVKCKHCRLKCHNKCTKEAPACR 378
                            |        -  |    338       348       358       368       378
                            |         331                                               
                          330
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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
(-)
Class: Small proteins (3458)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1KBF)

(-) Gene Ontology  (17, 17)

NMR Structure(hide GO term definitions)
Chain A   (KSR1_MOUSE | Q61097)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0005078    MAP-kinase scaffold activity    The binding activity of a molecule that functions as a physical support for the assembly of a multiprotein mitogen-activated protein kinase (MAPK) complex. Binds multiple kinases of the MAPKKK cascade, and also upstream signaling proteins, permitting those molecules to function in a coordinated way. Bringing together multiple enzymes and their substrates enables the signal to be transduced quickly and efficiently.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0031434    mitogen-activated protein kinase kinase binding    Interacting selectively and non-covalently with a mitogen-activated protein kinase kinase, any protein that can phosphorylate a MAP kinase.
    GO:0008022    protein C-terminus binding    Interacting selectively and non-covalently with a protein C-terminus, the end of any peptide chain at which the 1-carboxy function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
    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:0004672    protein kinase activity    Catalysis of the phosphorylation of an amino acid residue in a protein, usually according to the reaction: a protein + ATP = a phosphoprotein + ADP.
biological process
    GO:0007265    Ras protein signal transduction    A series of molecular signals within the cell that are mediated by a member of the Ras superfamily of proteins switching to a GTP-bound active state.
    GO:0019933    cAMP-mediated signaling    Any intracellular signal transduction in which the signal is passed on within the cell via cyclic AMP (cAMP). Includes production of cAMP, and downstream effectors that further transmit the signal within the cell.
    GO:0035556    intracellular signal transduction    The process in which a signal is passed on to downstream components within the cell, which become activated themselves to further propagate the signal and finally trigger a change in the function or state of the cell.
    GO:0043410    positive regulation of MAPK cascade    Any process that activates or increases the frequency, rate or extent of signal transduction mediated by the MAPK cascade.
    GO:0006468    protein phosphorylation    The process of introducing a phosphate group on to a 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:0005783    endoplasmic reticulum    The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
    GO:0005789    endoplasmic reticulum membrane    The lipid bilayer surrounding the endoplasmic reticulum.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0043234    protein complex    A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.

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 Related Entries

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

UniProtKB/Swiss-Prot
        KSR1_MOUSE | Q61097: 1kbe 2lpe

(-) Related Entries Specified in the PDB File

1kbe 1KBE IS THE STRUCTURE WITH THE LOWEST ENERGY