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(-) Description

Title :  N-TERMINAL CALMODULIN ZN-TRAPPED INTERMEDIATE
 
Authors :  J. T. Warren, Q. Guo, W. J. Tang
Date :  01 May 07  (Deposition) - 16 Oct 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.30
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  Calmodulin, Helix-Turn-Helix, Ef-Hand, N-Terminal Calmodulin, Cam, N- Cam, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. T. Warren, Q. Guo, W. J. Tang
A 1. 3-A Structure Of Zinc-Bound N-Terminal Domain Of Calmodulin Elucidates Potential Early Ion-Binding Step.
J. Mol. Biol. V. 374 517 2007
PubMed-ID: 17942116  |  Reference-DOI: 10.1016/J.JMB.2007.09.048

(-) Compounds

Molecule 1 - CALMODULIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PPRO-EX
    Expression System Strain: BL21-PUBS520
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: CALM1, CALM, CAM, CAM1
    Organism Common: NORWAY RAT
    Organism Scientific: RATTUS NORVEGICUS
    Organism Taxid: 10116
    Synonym: CAM

 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  (2, 3)

Asymmetric Unit (2, 3)
No.NameCountTypeFull Name
1CAC1Ligand/IonCACODYLATE ION
2ZN2Ligand/IonZINC ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1CAC1Ligand/IonCACODYLATE ION
2ZN-1Ligand/IonZINC ION
Biological Unit 2 (1, 2)
No.NameCountTypeFull Name
1CAC2Ligand/IonCACODYLATE ION
2ZN-1Ligand/IonZINC ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:22 , ASP A:24 , THR A:26 , ILE A:27 , ZN A:202 , HOH A:206 , HOH A:228BINDING SITE FOR RESIDUE CAC A 200
2AC2SOFTWAREGLU A:7 , GLU A:11 , ASP A:64 , GLU A:67BINDING SITE FOR RESIDUE ZN A 201
3AC3SOFTWAREASP A:22 , ASP A:24 , CAC A:200BINDING SITE FOR RESIDUE ZN A 202

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2PQ3)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2PQ3)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2PQ3)

(-) PROSITE Motifs  (2, 4)

Asymmetric Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.CALM3_RAT8-43
44-79
81-116
117-149		  2A:7-42
A:43-76
-
-
CALM1_RAT8-43
44-79
81-116
117-149		  2A:7-42
A:43-76
-
-
CALM2_RAT8-43
44-79
81-116
117-149		  2A:7-42
A:43-76
-
-
2EF_HAND_1PS00018 EF-hand calcium-binding domain.CALM3_RAT21-33
57-69
94-106
130-142		  2A:20-32
A:56-68
-
-
CALM1_RAT21-33
57-69
94-106
130-142		  2A:20-32
A:56-68
-
-
CALM2_RAT21-33
57-69
94-106
130-142		  2A:20-32
A:56-68
-
-
Biological Unit 1 (2, 12)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.CALM3_RAT8-43
44-79
81-116
117-149		  2A:7-42
A:43-76
-
-
CALM1_RAT8-43
44-79
81-116
117-149		  2A:7-42
A:43-76
-
-
CALM2_RAT8-43
44-79
81-116
117-149		  2A:7-42
A:43-76
-
-
2EF_HAND_1PS00018 EF-hand calcium-binding domain.CALM3_RAT21-33
57-69
94-106
130-142		  2A:20-32
A:56-68
-
-
CALM1_RAT21-33
57-69
94-106
130-142		  2A:20-32
A:56-68
-
-
CALM2_RAT21-33
57-69
94-106
130-142		  2A:20-32
A:56-68
-
-
Biological Unit 2 (2, 24)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.CALM3_RAT8-43
44-79
81-116
117-149		  4A:7-42
A:43-76
-
-
CALM1_RAT8-43
44-79
81-116
117-149		  4A:7-42
A:43-76
-
-
CALM2_RAT8-43
44-79
81-116
117-149		  4A:7-42
A:43-76
-
-
2EF_HAND_1PS00018 EF-hand calcium-binding domain.CALM3_RAT21-33
57-69
94-106
130-142		  4A:20-32
A:56-68
-
-
CALM1_RAT21-33
57-69
94-106
130-142		  4A:20-32
A:56-68
-
-
CALM2_RAT21-33
57-69
94-106
130-142		  4A:20-32
A:56-68
-
-

(-) Exons   (3, 3)

Asymmetric Unit (3, 3)

(-) Sequences/Alignments

Asymmetric 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:74
 aligned with CALM1_RAT | P0DP29 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:74
                                    13        23        33        43        53        63        73    
             CALM1_RAT    4 QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKM 77
               SCOP domains d2pq3a_ A: Calmodulin                                                      SCOP domains
               CATH domains -------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhh......eee..hhhhhhhhh....hhhhhhhhhhhhh.....eeehhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) -------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) ----EF_HAND_2  PDB: A:7-42 UniProt: 8-43EF_HAND_2  PDB: A:43-76            PROSITE (3)
                PROSITE (4) -------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) -------------------------------------------------------------------------- PROSITE (5)
                PROSITE (6) -----------------EF_HAND_1    -----------------------EF_HAND_1    -------- PROSITE (6)
                 Transcript -------------------------------------------------------------------------- Transcript
                  2pq3 A  3 QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKM 76
                                    12        22        32        42        52        62        72    


Chain A from PDB  Type:PROTEIN  Length:74
 aligned with CALM2_RAT | P0DP30 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:74
                                    13        23        33        43        53        63        73    
             CALM2_RAT    4 QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKM 77
               SCOP domains d2pq3a_ A: Calmodulin                                                      SCOP domains
               CATH domains -------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhh......eee..hhhhhhhhh....hhhhhhhhhhhhh.....eeehhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (2) ----EF_HAND_2  PDB: A:7-42 UniProt: 8-43EF_HAND_2  PDB: A:43-76            PROSITE (2)
                PROSITE (3) -------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) -------------------------------------------------------------------------- PROSITE (4)
                PROSITE (5) -----------------EF_HAND_1    -----------------------EF_HAND_1    -------- PROSITE (5)
                 Transcript -------------------------------------------------------------------------- Transcript
                  2pq3 A  3 QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKM 76
                                    12        22        32        42        52        62        72    


Chain A from PDB  Type:PROTEIN  Length:74
 aligned with CALM3_RAT | P0DP31 from UniProtKB/Swiss-Prot  Length:149

    Alignment length:74
                                    13        23        33        43        53        63        73    
             CALM3_RAT    4 QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKM 77
               SCOP domains d2pq3a_ A: Calmodulin                                                      SCOP domains
               CATH domains -------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhh......eee..hhhhhhhhh....hhhhhhhhhhhhh.....eeehhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----EF_HAND_2  PDB: A:7-42 UniProt: 8-43EF_HAND_2  PDB: A:43-76            PROSITE (1)
                PROSITE (2) -------------------------------------------------------------------------- PROSITE (2)
                PROSITE (3) -------------------------------------------------------------------------- PROSITE (3)
                PROSITE (4) -----------------EF_HAND_1    -----------------------EF_HAND_1    -------- PROSITE (4)
           Transcript 1 (1) Exon 1.2 -----------------------------------------------Exon 1.4           Transcript 1 (1)
           Transcript 1 (2) --------Exon 1.3  PDB: A:11-59 UniProt: 12-60            ----------------- Transcript 1 (2)
                  2pq3 A  3 QLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKM 76
                                    12        22        32        42        52        62        72
   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  (1, 1)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2PQ3)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2PQ3)

(-) Gene Ontology  (58, 58)

Asymmetric Unit(hide GO term definitions)
Chain A   (CALM1_RAT | P0DP29)

Chain A   (CALM2_RAT | P0DP30)

Chain A   (CALM3_RAT | P0DP31)

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  2pq3
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 Related Entries

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

UniProtKB/Swiss-Prot
        CALM1_RAT | P0DP29: 1aji 1cm1 1cm4 1deg 1g4y 1k90 1k93 1lvc 1niw 1nkf 1qiv 1qiw 1qx5 1qx7 1sk6 1up5 2hqw 2mgu 2ygg 3b32 3bxk 3bxl 3cln 3ek4 3ek7 3ek8 3ekh 3ekj 3evr 3evu 3evv 3ifk 3sg2 3sg3 3sg4 3sg5 3sg6 3sg7 3sjq 3wlc 3wld 4ehq 4g27 4g28 4i2y 4il1 4j9y 4j9z 4oy4 4qnh 4rjd
        CALM2_RAT | P0DP30: 1aji 1cm1 1cm4 1deg 1g4y 1k90 1k93 1lvc 1niw 1nkf 1qiv 1qiw 1qx5 1qx7 1sk6 1up5 2hqw 2mgu 2ygg 3b32 3bxk 3bxl 3cln 3evr 3evu 3ifk 3sjq 4ehq 4g27 4g28 4i2y 4il1 4j9y 4j9z 4oy4 4qnh 4rjd
        CALM3_RAT | P0DP31: 1aji 1cm1 1cm4 1deg 1g4y 1k90 1k93 1lvc 1niw 1nkf 1qiv 1qiw 1qx5 1qx7 1sk6 1up5 2hqw 2mgu 2ygg 3b32 3bxk 3bxl 3cln 3evr 3evu 3ifk 3sjq 4ehq 4g27 4g28 4i2y 4il1 4j9y 4j9z 4oy4 4qnh 4rjd

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 2PQ3)