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(-) Description

Title :  MODEL OF TROPONIN-I IN COMPLEX WITH TROPONIN-C
 
Authors :  C. S. Tung, M. E. Wall, S. C. Gallagher, J. Trewhella
Date :  24 Apr 00  (Deposition) - 13 Sep 00  (Release) - 02 Oct 02  (Revision)
Method :  THEORETICAL MODEL
Resolution :  NOT APPLICABLE
Chains :  Theor. Model :  C,I  (2x)
Keywords :  Beta-Hairpin, Protein-Protein Complex, Supercoiled Alpha Helix (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  C. S. Tung, M. E. Wall, S. C. Gallagher, J. Trewhella
A Model Of Troponin-I In Complex With Troponin-C Using Hybrid Experimental Data: The Inhibitory Region Is A Beta-Hairpin.
Protein Sci. V. 9 1312 2000
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TROPONIN-I
    ChainsI
    Organism CommonRABBIT
    Organism ScientificORYCTOLAGUS CUNICULUS
    SynonymTNI
    TissueFAST SKELETAL MUSCLE
 
Molecule 2 - TROPONIN-C
    ChainsC
    MutationYES
    Organism CommonCHICKEN
    Organism ScientificGALLUS GALLUS
    Rabbit Tnc(-1159)]
    SynonymTNC
    TissueFAST SKELETAL MUSCLE

 Structural Features

(-) Chains, Units

  
Theoretical Model (2x)

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1EW7)

(-) Sites  (0, 0)

(no "Site" information available for 1EW7)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1EW7)

(-) Cis Peptide Bonds  (1, 1)

Theoretical Model
No.Residues
1Cys I:48 -Pro I:49

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1EW7)

(-) PROSITE Motifs  (2, 8)

Theoretical Model (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.TNNC2_CHICK18-53
54-89
94-129
130-163
  4C:214-249
C:250-285
C:290-325
C:326-358
2EF_HAND_1PS00018 EF-hand calcium-binding domain.TNNC2_CHICK31-43
67-79
107-119
143-155
  4C:227-239
C:263-275
C:303-315
C:339-351

(-) Exons   (4, 4)

Theoretical Model (4, 4)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENSGALT000000110601ENSGALE00000073521Un_random:20732110-20732258149TNNC2_CHICK1-50501C:199-24648
1.2ENSGALT000000110602ENSGALE00000073519Un_random:20732332-20732446115TNNC2_CHICK50-88391C:246-28439
1.3ENSGALT000000110603ENSGALE00000073522Un_random:20732522-20732658137TNNC2_CHICK88-134471C:284-33047
1.4ENSGALT000000110604ENSGALE00000073520Un_random:20732749-20732979231TNNC2_CHICK134-143101C:330-33910

(-) Sequences/Alignments

Theoretical Model
   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 C from PDB  Type:PROTEIN  Length:161
 aligned with TNNC2_CHICK | P02588 from UniProtKB/Swiss-Prot  Length:163

    Alignment length:161
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162 
          TNNC2_CHICK     3 SMTDQQAEARAFLSEEMIAEFKAAFDMFDADGGGDISTKELGTVMRMLGQNPTKEELDAIIEEVDEDGSGTIDFEEFLVMMVRQMKEDAKGKSEEELANCFRIFDKNADGFIDIEELGEILRATGEHVTEEDIEDLMKDSDKNNDGRIDFDEFLKMMEGVQ 163
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhh.hhhhhhhhhhhhhhhh.......hhhhhhhhhhhhh....hhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhh.....hhhhhhhhhhhhh.......hhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---------------EF_HAND_2  PDB: C:214-249           EF_HAND_2  PDB: C:250-285           ----EF_HAND_2  PDB: C:290-325           EF_HAND_2  PDB: C:326-358          PROSITE (1)
                PROSITE (2) ----------------------------EF_HAND_1    -----------------------EF_HAND_1    ---------------------------EF_HAND_1    -----------------------EF_HAND_1    -------- PROSITE (2)
           Transcript 1 (1) Exon 1.1  PDB: C:199-246 UniProt: 1-50          -------------------------------------Exon 1.3  PDB: C:284-330 UniProt: 88-134       ----------------------------- Transcript 1 (1)
           Transcript 1 (2) -----------------------------------------------Exon 1.2  PDB: C:246-284 UniProt: 50-88---------------------------------------------Exon 1.4  -------------------- Transcript 1 (2)
                 1ew7 C 199 SMTDQQAEARAFLSEEMIAEFKAAFDMFDADGGGDISTKELGTVMRMLGQNPTKEELDAIIEEVDADGSGTIDFEEFLVMMVRQMKEDAKGKSEEELEDCFRIFDKNADGFIDIEELGEILRATGEHVTEEDIEDLMKDSDKNNDGRIDFDEFLKMMEGVG 359
                                   208       218       228       238       248       258       268       278       288       298       308       318       328       338       348       358 

Chain I from PDB  Type:PROTEIN  Length:134
 aligned with TNNI2_RABIT | P02643 from UniProtKB/Swiss-Prot  Length:182

    Alignment length:134
                                    13        23        33        43        53        63        73        83        93       103       113       123       133    
          TNNI2_RABIT     4 EEKRNRAITARRQHLKSVMLQIAATELEKEEGRREAEKQNYLAEHCPPLSLPGSMAEVQELCKQLHAKIDAAEEEKYDMEIKVQKSSKELEDMNQKLFDLRGKFKRPPLRRVRMSADAMLKALLGSKHKVCMDL 137
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..............................hhhhhhhhhhhhhhhhhhhh..............eee..........eee...hhhhhhhh............. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ew7 I   3 EEKRNRAITARRQHLKSVMLQIAATELEKEEGRREAEKQNYLAEHCPPLSLPGSMAEVQELCKQLHAKIDAAEEEKYDMEIKVQKSSKELEDMNQKLFDLRGKFKRPPLRRVRMSADAMLKALLGSKHKVCMDL 136
                                    12        22        32        42        52        62        72        82        92       102       112       122       132    

   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 1EW7)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1EW7)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1EW7)

(-) Gene Ontology  (6, 9)

Theoretical Model(hide GO term definitions)
Chain C   (TNNC2_CHICK | P02588)
molecular function
    GO:0003779    actin binding    Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0003009    skeletal muscle contraction    A process in which force is generated within skeletal muscle tissue, resulting in a change in muscle geometry. Force generation involves a chemo-mechanical energy conversion step that is carried out by the actin/myosin complex activity, which generates force through ATP hydrolysis. In the skeletal muscle, the muscle contraction takes advantage of an ordered sarcomeric structure and in most cases it is under voluntary control.
cellular component
    GO:0005861    troponin complex    A complex of accessory proteins (typically troponin T, troponin I and troponin C) found associated with actin in muscle thin filaments; involved in calcium regulation of muscle contraction.

Chain I   (TNNI2_RABIT | P02643)
molecular function
    GO:0003779    actin binding    Interacting selectively and non-covalently with monomeric or multimeric forms of actin, including actin filaments.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0031014    troponin T binding    Interacting selectively and non-covalently with troponin T, the tropomyosin-binding subunit of the troponin complex.
cellular component
    GO:0005861    troponin complex    A complex of accessory proteins (typically troponin T, troponin I and troponin C) found associated with actin in muscle thin filaments; involved in calcium regulation of muscle contraction.

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  Cis Peptide Bonds
    Cys I:48 - Pro I:49   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        TNNC2_CHICK | P025881avs 1blq 1cta 1ctd 1jc2 1ncx 1ncy 1ncz 1npq 1pon 1skt 1smg 1tnp 1tnq 1tnw 1tnx 1top 1ytz 1yv0 1zac 2w49 2w4u 4tnc
        TNNI2_RABIT | P026431a2x 1npq

(-) Related Entries Specified in the PDB File

1a2x RABBIT FAST SKELETAL MUSCLE TNC/TNI(1-47)
1mxl CARDIAC N-TNC/TNI(147-163)
1tcf RABBIT FAST SKELETAL MUSCLE 4CA2+/TNC
1tn4 RABBIT FAST SKELETAL MUSCLE 4CA2+/TNC
2tn4 RABBIT SKELETAL MUSCLE 4CA2+/TNC
4tnc CHICKEN FAST SKELETAL MUSCLE 2CA2+/TNC
5tnc AVIAN FAST SKELETAL MUSCLE 2CA2+/TNC