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(-) Description

Title :  COMPLEX OF THE C-DOMAIN OF TROPONIN C WITH RESIDUES 1-40 OF TROPONIN I
 
Authors :  P. Mercier, L. Spyracopoulos, B. D. Sykes
Date :  07 Jun 01  (Deposition) - 14 Sep 01  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (30x)
Keywords :  Ca2+ Binding Protein, Troponin C, Troponin I, Muscle Contraction, Structural Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  P. Mercier, L. Spyracopoulos, B. D. Sykes
Structure, Dynamics, And Thermodynamics Of The Structural Domain Of Troponin C In Complex With The Regulatory Peptide 1-40 Of Troponin I
Biochemistry V. 40 10063 2001
PubMed-ID: 11513585  |  Reference-DOI: 10.1021/BI010748+
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TROPONIN C, SKELETAL MUSCLE
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET3A
    Expression System Strain: BL21(DE3)PLYSS
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: RESIDUES 89-163 OF GB ENTRY 212778
    Gene: STNC
    Organism Common: CHICKEN
    Organism Scientific: GALLUS GALLUS
    Organism Taxid: 9031

 Structural Features

(-) Chains, Units

  
NMR Structure (30x): 

Summary Information (see also Sequences/Alignments below)

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

NMR Structure (1, 2)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION

(-) Sites  (2, 2)

NMR Structure (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:106 , ASN A:108 , ASP A:110 , PHE A:112 , GLU A:117BINDING SITE FOR RESIDUE CA A 2
2AC2SOFTWAREASP A:142 , LYS A:143 , ASP A:146 , ARG A:148 , GLU A:153BINDING SITE FOR RESIDUE CA A 3

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1JC2)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1JC2)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1JC2)

(-) PROSITE Motifs  (2, 4)

NMR Structure (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.TNNC2_CHICK18-53
54-89
94-129
130-163		  2-
-
A:93-128
A:129-162
2EF_HAND_1PS00018 EF-hand calcium-binding domain.TNNC2_CHICK31-43
67-79
107-119
143-155		  2-
-
A:106-118
A:142-154

(-) Exons   (2, 2)

NMR Structure (2, 2)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1ENSGALT000000110601ENSGALE00000073521Un_random:20732110-20732258149TNNC2_CHICK1-50500--
1.2ENSGALT000000110602ENSGALE00000073519Un_random:20732332-20732446115TNNC2_CHICK50-88390--
1.3ENSGALT000000110603ENSGALE00000073522Un_random:20732522-20732658137TNNC2_CHICK88-134471A:88-13346
1.4ENSGALT000000110604ENSGALE00000073520Un_random:20732749-20732979231TNNC2_CHICK134-143101A:133-14210

(-) 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:75
 aligned with TNNC2_CHICK | P02588 from UniProtKB/Swiss-Prot  Length:163

    Alignment length:75
                                    98       108       118       128       138       148       158     
          TNNC2_CHICK    89 EDAKGKSEEELANCFRIFDKNADGFIDIEELGEILRATGEHVTEEDIEDLMKDSDKNNDGRIDFDEFLKMMEGVQ 163
               SCOP domains d1jc2a_ A: Troponin C                                                       SCOP domains
               CATH domains 1jc2A00 A:88-162 EF-hand                                                    CATH domains
           Pfam domains (1) ---------------------------------------------efhand-1jc2A01 A:133-161     - Pfam domains (1)
           Pfam domains (2) ---------------------------------------------efhand-1jc2A02 A:133-161     - Pfam domains (2)
         Sec.struct. author ......hhhhhhhhhhhhh......eehhhhhhhhhhh....hhhhhhhhhhhhh.....eehhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) E----EF_HAND_2  PDB: A:93-128            EF_HAND_2  PDB: A:129-162          PROSITE (1)
                PROSITE (2) ------------------EF_HAND_1    -----------------------EF_HAND_1    -------- PROSITE (2)
           Transcript 1 (1) Exon 1.3  PDB: A:88-133 UniProt: 88-134       ----------------------------- Transcript 1 (1)
           Transcript 1 (2) ---------------------------------------------Exon 1.4  -------------------- Transcript 1 (2)
                 1jc2 A  88 EDAKGKSEEELANCFRIFDKNADGFIDIEELGEILRATGEHVIEEDIEDLMKDSDKNNDGRIDFDEFLKMMEGVQ 162
                                    97       107       117       127       137       147       157
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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: All alpha proteins (14657)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: EF_hand (270)

(-) Gene Ontology  (5, 5)

NMR Structure(hide GO term definitions)
Chain A   (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.

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  TNNC2_CHICK | P02588
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 Related Entries

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

UniProtKB/Swiss-Prot
        TNNC2_CHICK | P02588: 1avs 1blq 1cta 1ctd 1ew7 1ncx 1ncy 1ncz 1npq 1pon 1skt 1smg 1tnp 1tnq 1tnw 1tnx 1top 1ytz 1yv0 1zac 2w49 2w4u 4tnc

(-) Related Entries Specified in the PDB File

1a2x COMPLEX OF TROPONIN C WITH A 47 RESIDUE (1-47) FRAGMENT OF TROPONIN I