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(-) Description

Title :  CRYSTAL STRUCTURE OF THE AMINO-TERMINAL DOMAIN OF HUMAN CARDIAC TROPONIN C MUTANT D2N/V28I/L29Q/G30D (NIQD) IN COMPLEX WITH CADMIUM.
 
Authors :  X. Zhang, M. Paetzel
Date :  09 Aug 12  (Deposition) - 06 Feb 13  (Release) - 22 May 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  Helix-Loop-Helix Ef-Hand Motif, Contractile Protein, Calcium Sensor, Cadmium Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  X. L. Zhang, G. F. Tibbits, M. Paetzel
The Structure Of Cardiac Troponin C Regulatory Domain With Bound Cd(2+) Reveals A Closed Conformation And Unique Ion Coordination.
Acta Crystallogr. , Sect. D V. 69 722 2013
PubMed-ID: 23633581  |  Reference-DOI: 10.1107/S0907444913001182

(-) Compounds

Molecule 1 - TROPONIN C, SLOW SKELETAL AND CARDIAC MUSCLES
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET21A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN (UNP RESIDUES 1-89)
    Gene: TNNC, TNNC1
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: TN-C

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (1x): A
Biological Unit 2 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 12)

Asymmetric Unit (4, 12)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2CA3Ligand/IonCALCIUM ION
3CD7Ligand/IonCADMIUM ION
4GOL1Ligand/IonGLYCEROL
Biological Unit 1 (2, 2)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2CA-1Ligand/IonCALCIUM ION
3CD-1Ligand/IonCADMIUM ION
4GOL1Ligand/IonGLYCEROL
Biological Unit 2 (2, 4)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
2CA-1Ligand/IonCALCIUM ION
3CD-1Ligand/IonCADMIUM ION
4GOL2Ligand/IonGLYCEROL

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREPHE A:27 , GLU A:40 , GLU A:63 , HOH A:201 , HOH A:202BINDING SITE FOR RESIDUE CD A 101
02AC2SOFTWAREGLU A:56 , CYS A:84 , ASP A:87 , SER A:89 , CD A:103BINDING SITE FOR RESIDUE CD A 102
03AC3SOFTWAREGLN A:50 , CYS A:84 , ASP A:87 , ASP A:88 , SER A:89 , CD A:102BINDING SITE FOR RESIDUE CD A 103
04AC4SOFTWAREASP A:33 , CYS A:35 , ACT A:111 , HOH A:203BINDING SITE FOR RESIDUE CD A 104
05AC5SOFTWARECYS A:35 , GLU A:66 , ASP A:73 , ASP A:75BINDING SITE FOR RESIDUE CD A 105
06AC6SOFTWAREMET A:1 , GLU A:59 , HOH A:206BINDING SITE FOR RESIDUE CD A 106
07AC7SOFTWAREASP A:65 , THR A:71 , GLU A:76 , HOH A:209 , HOH A:210 , HOH A:211BINDING SITE FOR RESIDUE CD A 107
08AC8SOFTWAREGLU A:10 , GLU A:15 , GLU A:19BINDING SITE FOR RESIDUE CA A 108
09AC9SOFTWAREGLU A:15 , GLU A:19BINDING SITE FOR RESIDUE CA A 110
10BC1SOFTWAREMET A:1 , ASP A:33 , CYS A:35 , ILE A:36 , SER A:37 , THR A:71 , CD A:104 , HOH A:201 , HOH A:208BINDING SITE FOR RESIDUE ACT A 111
11BC2SOFTWARELYS A:17 , GLU A:32BINDING SITE FOR RESIDUE GOL A 112

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4GJG)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4GJG)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 4GJG)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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Chain A from PDB  Type:PROTEIN  Length:86
                                                                                                                     
               SCOP domains d4gjga_ A: Troponin C                                                                  SCOP domains
               CATH domains -------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhh..hhhhhhhhhhhhhh.........eehhhhhhhhhhh....hhhhhhhhhhhhh..eehhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------- Transcript
                  4gjg A  1 MNDIYKAAVEQLTEEQKNEFKAAFDIFIQDAEDGCISTKELGKVMRMLGQNPTPEELQEMIDEVDEGTVDFDEFLVMMVRCMKDDS 89
                                    10        20        30        40        50        60     || 73        83      
                                                                                            66|                   
                                                                                             70
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 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4GJG)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4GJG)

(-) Gene Ontology  (23, 23)

Asymmetric Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/Swiss-Prot
        TNNC1_HUMAN | P63316: 1ap4 1ih0 1j1d 1j1e 1lj6 1lxf 1mxl 1ozs 1spy 1wrk 1wrl 2jt0 2jt3 2jt8 2jtz 2jxl 2kdh 2kfx 2kgb 2krd 2l1r 2l98 2mkp 2mle 2mlf 2mzp 2n79 2n7l 3rv5 3sd6 3swb 4gje 4gjf 4y99 5vln 5w88

(-) Related Entries Specified in the PDB File

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1mxl CALCIUM BOUND HUMAN N-CTNC IN COMPLEX WITH CTNI (147-163)
1spy CALCIUM FREE HUMAN N-CTNC
3sd6 CRYSTAL STRUCTURE OF CARDIAC TROPONIN C REGULATORY DOMAIN WITH BOUND CD2+
3swb CRYSTAL STRUCTURE OF THE AMINO-TERMINAL DOMAIN OF HUMAN CARDIAC TROPONIN C IN COMPLEX WITH CADMIUM
4gje
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