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(-) Description

Title :  CRYSTAL STRUCTURE OF RECOMBINANT PARAMECIUM TETRAURELIA CALMODULIN AT 1.68 ANGSTROMS RESOLUTION
 
Authors :  M. Sundaralingam
Date :  11 Aug 93  (Deposition) - 31 Oct 93  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.68
Chains :  Asym./Biol. Unit :  A
Keywords :  Calcium-Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Ban, B. Ramakrishnan, K. Y. Ling, C. Kung, M. Sundaralingam
Structure Of The Recombinant Paramecium Tetraurelia Calmodulin At 1. 68 A Resolution.
Acta Crystallogr. , Sect. D V. 50 50 1994
PubMed-ID: 15299476  |  Reference-DOI: 10.1107/S0907444993007991
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CALMODULIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Organism Scientific: PARAMECIUM TETRAURELIA
    Organism Taxid: 5888

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric/Biological Unit (1, 4)
No.NameCountTypeFull Name
1CA4Ligand/IonCALCIUM ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:20 , ASP A:22 , ASP A:24 , THR A:26 , GLU A:31 , HOH A:153BINDING SITE FOR RESIDUE CA A 149
2AC2SOFTWAREASP A:56 , ASP A:58 , ASN A:60 , THR A:62 , GLU A:67 , HOH A:157BINDING SITE FOR RESIDUE CA A 150
3AC3SOFTWAREASP A:93 , ASP A:95 , ASN A:97 , LEU A:99 , GLU A:104 , HOH A:189BINDING SITE FOR RESIDUE CA A 151
4AC4SOFTWAREASP A:129 , ASP A:131 , ASP A:133 , HIS A:135 , GLU A:140 , HOH A:181BINDING SITE FOR RESIDUE CA A 152
5EF1UNKNOWNASP A:20 , LYS A:21 , ASP A:22 , GLY A:23 , ASP A:24 , GLY A:25 , THR A:26 , ILE A:27 , THR A:28 , THR A:29 , LYS A:30 , GLU A:31NULL
6EF2UNKNOWNASP A:56 , ALA A:57 , ASP A:58 , GLY A:59 , ASN A:60 , GLY A:61 , THR A:62 , ILE A:63 , ASP A:64 , PHE A:65 , PRO A:66 , GLU A:67NULL
7EF3UNKNOWNASP A:93 , ARG A:94 , ASP A:95 , GLY A:96 , ASN A:97 , GLY A:98 , LEU A:99 , ILE A:100 , SER A:101 , ALA A:102 , ALA A:103 , GLU A:104NULL
8EF4UNKNOWNASP A:129 , ILE A:130 , ASP A:131 , GLY A:132 , ASP A:133 , GLY A:134 , HIS A:135 , ILE A:136 , ASN A:137 , TYR A:138 , GLU A:139 , GLU A:140NULL

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 8)

Asymmetric/Biological Unit (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.CALM_PARTE8-43
44-79
81-116
117-149		  4A:7-42
A:43-78
A:80-115
A:116-148
2EF_HAND_1PS00018 EF-hand calcium-binding domain.CALM_PARTE21-33
57-69
94-106
130-142		  4A:20-32
A:56-68
A:93-105
A:129-141

(-) Exons   (0, 0)

(no "Exon" information available for 1OSA)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   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:148
 aligned with CALM_PARTE | P07463 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:148
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141        
           CALM_PARTE     2 AEQLTEEQIAEFKEAFALFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLSLMARKMKEQDSEEELIEAFKVFDRDGNGLISAAELRHVMTNLGEKLTDDEVDEMIREADIDGDGHINYEEFVRMMVSK 149
               SCOP domains d1osaa_ A: Calmodulin                                                                                                                                SCOP domains
               CATH domains 1osaA01 A:1-78 EF-hand                                                        1osaA02 A:79-148 EF-hand                                               CATH domains
           Pfam domains (1) ------------------------------------------------------------------------------EF_hand_5-1osaA01 A:79-145                                         --- Pfam domains (1)
           Pfam domains (2) ------------------------------------------------------------------------------EF_hand_5-1osaA02 A:79-145                                         --- Pfam domains (2)
         Sec.struct. author .....hhhhhhhhhhhhhh......eeehhhhhhhhhh......hhhhhhhhhhh......eeehhhhhhhhhhhhhhhhhhhhhhhhhhhh......eeehhhhhhhhhh......hhhhhhhhhhh......eeehhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------EF_HAND_2  PDB: A:7-42 UniProt: 8-43EF_HAND_2  PDB: A:43-78             -EF_HAND_2  PDB: A:80-115            EF_HAND_2  PDB: A:116-148         PROSITE (1)
                PROSITE (2) -------------------EF_HAND_1    -----------------------EF_HAND_1    ------------------------EF_HAND_1    -----------------------EF_HAND_1    ------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1osa A   1 AEQLTEEQIAEFKEAFALFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLSLMARKMKEQDSEEELIEAFKVFDRDGNGLISAAELRHVMTNLGEKLTDDEVDEMIREADIDGDGHINYEEFVRMMVSK 148
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140
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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)

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

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: EF_hand (270)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CALM_PARTE | P07463)
molecular function
    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.

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  1osa
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  CALM_PARTE | P07463
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 Related Entries

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

UniProtKB/Swiss-Prot
        CALM_PARTE | P07463: 1clm 1exr 1n0y 2kxw 2m5e 5e1k 5e1n 5e1p

(-) Related Entries Specified in the PDB File

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