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(-) Description

Title :  CALCIUM-CALMODULIN COMPLEXED WITH THE CALMODULIN BINDING DOMAIN FROM A SMALL CONDUCTANCE POTASSIUM CHANNEL SPLICE VARIANT AND NS309
 
Authors :  M. Zhang, J. M. Pascal, J. -F. Zhang
Date :  17 Feb 13  (Deposition) - 27 Mar 13  (Release) - 03 Apr 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.66
Chains :  Asym. Unit :  B,R
Biol. Unit 1:  B,R  (2x)
Keywords :  Calcium Binding, Ef Hand, Sk2A Channel Fragment, Transport Protein- Calcium Binding Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Zhang, J. M. Pascal, J. F. Zhang
Unstructured To Structured Transition Of An Intrinsically Disordered Protein Peptide In Coupling Ca2+-Sensing And Sk Channel Activation.
Proc. Natl. Acad. Sci. Usa V. 110 4828 2013
PubMed-ID: 23487779  |  Reference-DOI: 10.1073/PNAS.1220253110

(-) Compounds

Molecule 1 - SMALL CONDUCTANCE CALCIUM-ACTIVATED POTASSIUM CHANNEL PROTEIN 2
    Chains: B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: CALMODULIN BINDING DOMAIN (UNP RESIDUES 396-487)
    Gene: KCNN2
    Organism Common: RAT
    Organism Scientific: RATTUS NORVEGICUS
    Organism Taxid: 10116
    Synonym: SK2A, SK2, SKCA 2, SKCA2, KCA2.2
 
Molecule 2 - CALMODULIN
    Chains: R
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CAM3, CAMC
    Organism Common: RAT
    Organism Scientific: RATTUS NORVEGICUS
    Organism Taxid: 10116
    Synonym: CAM

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : BR
Biological Unit 1 (2x): BR

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 8)

Asymmetric Unit (4, 8)
No.NameCountTypeFull Name
11KP1Ligand/Ion(3E)-6,7-DICHLORO-3-(HYDROXYIMINO)-1,3-DIHYDRO-2H-INDOL-2-ONE
2CA2Ligand/IonCALCIUM ION
3GOL1Ligand/IonGLYCEROL
4SO44Ligand/IonSULFATE ION
Biological Unit 1 (3, 12)
No.NameCountTypeFull Name
11KP2Ligand/Ion(3E)-6,7-DICHLORO-3-(HYDROXYIMINO)-1,3-DIHYDRO-2H-INDOL-2-ONE
2CA-1Ligand/IonCALCIUM ION
3GOL2Ligand/IonGLYCEROL
4SO48Ligand/IonSULFATE ION

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG B:429 , LYS B:451 , HIS B:452 , LYS B:455BINDING SITE FOR RESIDUE SO4 B 501
2AC2SOFTWAREARG B:450 , ARG B:454BINDING SITE FOR RESIDUE SO4 B 502
3AC3SOFTWAREPHE B:410 , ALA B:477 , LEU B:480 , VAL B:481 , LEU R:32 , MET R:51 , ILE R:63 , MET R:71 , MET R:72 , LYS R:75BINDING SITE FOR RESIDUE 1KP R 201
4AC4SOFTWAREASP R:20 , ASP R:22 , ASP R:24 , THR R:26 , GLU R:31 , HOH R:317BINDING SITE FOR RESIDUE CA R 202
5AC5SOFTWAREASP R:56 , ASP R:58 , ASN R:60 , THR R:62 , GLU R:67 , HOH R:301BINDING SITE FOR RESIDUE CA R 203
6AC6SOFTWARELYS B:402 , ASP R:78 , THR R:79 , HOH R:338BINDING SITE FOR RESIDUE SO4 R 204
7AC7SOFTWARELYS R:30 , ARG R:126BINDING SITE FOR RESIDUE SO4 R 205
8AC8SOFTWAREILE R:100 , SER R:101 , GLU R:104 , HOH R:329 , HOH R:332 , HOH R:342BINDING SITE FOR RESIDUE GOL R 206

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4J9Z)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1His B:490 -His B:491

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4J9Z)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4J9Z)

(-) Exons   (0, 0)

(no "Exon" information available for 4J9Z)

(-) 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 B from PDB  Type:PROTEIN  Length:97
                                                                                                                                 
               SCOP domains d4j9zb_ B: automated matches                                                                      SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....ee...........hhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------- Transcript
                 4j9z B 395 GRKLELTKAEKHVHNFMMDTQLTKRVKNAAANVLRETWLIYKNTKLVKKIDHAKVRKHQRKFLQAIHQLRSVKMEQRKLNDQANTLVDLAKTQLEHH 491
                                   404       414       424       434       444       454       464       474       484       


Chain R from PDB  Type:PROTEIN  Length:146
                                                                                                                                                                                  
               SCOP domains d4j9zr_ R: Calmodulin                                                                                                                              SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhh.......hhhhhhhhhhhh....hhhhhhhhhhhh........hhhhhhhhhhhh..ee.hhhhhhhhhhh.......eeehhhhhhhhhhh....hhhhhhhhhhhhh.....eeehhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4j9z R   2 DQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTA 147
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (2, 2)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Membrane and cell surface proteins and peptides (2046)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4J9Z)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4J9Z)

(-) Gene Ontology  (70, 72)

Asymmetric Unit(hide GO term definitions)

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    His B:490 - His B:491   [ RasMol ]  
 
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  4j9z
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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 2pq3 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 4oy4 4qnh 4rjd
        CALM2_RAT | P0DP30: 1aji 1cm1 1cm4 1deg 1g4y 1k90 1k93 1lvc 1niw 1nkf 1qiv 1qiw 1qx5 1qx7 1sk6 1up5 2hqw 2mgu 2pq3 2ygg 3b32 3bxk 3bxl 3cln 3evr 3evu 3ifk 3sjq 4ehq 4g27 4g28 4i2y 4il1 4j9y 4oy4 4qnh 4rjd
        CALM3_RAT | P0DP31: 1aji 1cm1 1cm4 1deg 1g4y 1k90 1k93 1lvc 1niw 1nkf 1qiv 1qiw 1qx5 1qx7 1sk6 1up5 2hqw 2mgu 2pq3 2ygg 3b32 3bxk 3bxl 3cln 3evr 3evu 3ifk 3sjq 4ehq 4g27 4g28 4i2y 4il1 4j9y 4oy4 4qnh 4rjd
        KCNN2_RAT | P70604: 1g4y 1kkd 1qx7 2pnv 3sjq 4g27 4g28 4j9y 4qnh

(-) Related Entries Specified in the PDB File

1g4y 3sjq 4g27 4g28 4j9y