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(-) Description

Title :  CRYOEM STRUCTURE OF XENOPUS KCNQ1 CHANNEL
 
Authors :  R. Mackinnon, J. Sun
Date :  28 Apr 17  (Deposition) - 07 Jun 17  (Release) - 07 Jun 17  (Revision)
Method :  ELECTRON MICROSCOPY
Resolution :  3.70
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (4x)
Keywords :  Kcnq1-Cam Complex, Potassium Channel, Long Qt Syndrome, Transport Protein, Calcium Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Mackinnon, J. Sun
The Structure Of Kcnq1 And A Basis For Calmodulin-Mediated Long Qt Syndrome
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - POTASSIUM VOLTAGE-GATED CHANNEL SUBFAMILY KQT MEMBER 1
    Chains: A
    Engineered: YES
    Expression System: HOMO SAPIENS
    Expression System Atcc Number: CRL-3022
    Expression System Cell Line: HEK293 GNTI-
    Expression System Common: HUMAN
    Expression System Taxid: 9606
    Fragment: UNP RESIDUES 67-610
    Gene: KCNQ1, KVLQT1
    Organism Common: AFRICAN CLAWED FROG
    Organism Scientific: XENOPUS LAEVIS
    Organism Taxid: 8355
    Synonym: IKS PRODUCING SLOW VOLTAGE-GATED POTASSIUM CHANNEL SUBUNIT ALPHA XKVLQT1, KQT-LIKE 1, VOLTAGE-GATED POTASSIUM CHANNEL SUBUNIT KV7.1, KCNQ1
 
Molecule 2 - CALMODULIN
    Chains: B
    Engineered: YES
    Expression System: HOMO SAPIENS
    Expression System Common: HUMAN
    Expression System Taxid: 9606
    Gene: CALM1, CALM, CAM, CAM1, CALM2, CAM2, CAMB, CALM3, CALML2, CAM3, CAMC, CAMIII
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: CAM

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (4x): AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 3)

Asymmetric Unit (1, 3)
No.NameCountTypeFull Name
1CA3Ligand/IonCALCIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP B:21 , ASP B:23 , THR B:27binding site for residue CA B 201
2AC2SOFTWAREASP B:59 , ASN B:61 , THR B:63 , ASP B:65binding site for residue CA B 202
3AC3SOFTWAREASP B:134 , GLN B:136binding site for residue CA B 203

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 5VMS)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 5VMS)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5VMS)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5VMS)

(-) Exons   (0, 0)

(no "Exon" information available for 5VMS)

(-) 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:343
                                                                                                                                                                                                                                                                                                                                                                                       
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 5vms A  94 TNIQGRVYNFLERPTGWKCFVYHFTVFLIVLICLIFSVLSTIQQYNNLATETLFWMEIVLVVFFGAEYVVRLWSAGCRSKYVGVWGRLRFARKPISVIDLIVVVASVIVLCVGSAIRGIRFLQILRMLHVDRQGGTWRLLGSVVFIHRQELITTLYIGFLGLIFSSYFVYLAEKDAIDSSGEYQFGSYADALWWGVVTVTTIGYGDKVPQTWIGKTIASCFSVFAISFFALPAGILGSGFALKVQQKQRQKHFNRQIPAAASLIQTAWRCYAAENPDSATWKIEHHRAAIKVIRRMQYFVAKKKFQQARKPYDVRDVIEQYSQGHLNLMVRIKELQRRLDQSL 556
                                   103       113       123       133       143       153       163       173       183       193       203  ||   221       231       241       251       261       271       281       291       301       311       321       331       341       351       361       371       381  ||   503       513       523       533       543       553   
                                                                                                                                          206|                                                                                                                                                                      384|                                                           
                                                                                                                                           215                                                                                                                                                                       497                                                           


Chain B from PDB  Type:PROTEIN  Length:141
                                                                                                                                                                             
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhh......hhhhhhhhhhhhh...hhhhhhhhhhhhh.......hhhhhhhhhhh...hhhhhhhhhhhhhhhh.......hhhhhhhhhhhh....hhhhhhhhhhhhh.......hhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 5vms B   6 TEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDTDSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMM 146
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145
   Legend:   → Mismatch (orange background)
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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  (0, 0)

(no "SCOP Domain" information available for 5VMS)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5VMS)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5VMS)

(-) Gene Ontology  (31, 31)

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  KCNQ1_XENLA | P70057
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 Related Entries

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

UniProtKB/Swiss-Prot
        CALM1_HUMAN | P0DP23: 1aji 1cdl 1cll 1cm1 1cm4 1ctr 1deg 1iwq 1j7o 1j7p 1k90 1k93 1l7z 1lvc 1nkf 1pk0 1qiv 1qiw 1s26 1sk6 1sw8 1up5 1wrz 1xfu 1xfv 1xfw 1xfx 1xfy 1xfz 1y6w 1yr5 1yrt 1yru 1zot 1zuz 2be6 2f3y 2f3z 2hf5 2i08 2jzi 2k0e 2k0f 2k0j 2k61 2kne 2kug 2kuh 2l53 2l7l 2lgf 2ll6 2ll7 2lqc 2lqp 2lv6 2m0j 2m0k 2m55 2mg5 2n27 2n6a 2n77 2n8j 2r28 2v01 2v02 2vay 2w73 2wel 2x0g 2y4v 3bya 3cln 3dve 3dvj 3dvk 3dvm 3evv 3ewt 3ewv 3g43 3hr4 3j41 3o77 3o78 3oxq 3sui 3uct 3ucw 3ucy 4bw7 4bw8 4byf 4dck 4djc 4gow 4jpz 4jq0 4l79 4lzx 4m1l 4ovn 4q57 4q5u 4umo 4upu 4v0c 5coc 5dbr 5dow 5dsu 5ggm 5i0i 5j03 5j8h 5k7l 5k8q 5wsu 5wsv
        CALM2_HUMAN | P0DP24: 1aji 1cdl 1cll 1cm1 1cm4 1ctr 1deg 1iwq 1j7o 1j7p 1k90 1k93 1l7z 1lvc 1nkf 1pk0 1qiv 1qiw 1s26 1sk6 1sw8 1up5 1xfu 1xfv 1xfw 1xfx 1xfy 1xfz 1y6w 1yr5 1yrt 1yru 1zot 1zuz 2be6 2f3y 2f3z 2hf5 2jzi 2k0e 2k0f 2k0j 2k61 2kne 2kug 2kuh 2l53 2lgf 2ll6 2ll7 2lqc 2lqp 2lv6 2m0j 2m0k 2m55 2mg5 2n27 2n6a 2n77 2n8j 2r28 2v01 2v02 2vay 2w73 2wel 2x0g 2y4v 3bya 3cln 3dve 3dvj 3dvk 3dvm 3ewt 3ewv 3g43 3hr4 3j41 3oxq 3sui 3uct 3ucw 3ucy 4bw7 4bw8 4byf 4dck 4djc 4gow 4jpz 4jq0 4l79 4lzx 4m1l 4ovn 4q57 4q5u 4umo 4upu 4v0c 5coc 5dbr 5dow 5dsu 5ggm 5i0i 5j03 5j8h 5k7l 5k8q 5wsu 5wsv
        CALM3_HUMAN | P0DP25: 1aji 1cdl 1cll 1cm1 1cm4 1ctr 1deg 1iwq 1j7o 1j7p 1k90 1k93 1l7z 1lvc 1nkf 1pk0 1qiv 1qiw 1s26 1sk6 1sw8 1up5 1xfu 1xfv 1xfw 1xfx 1xfy 1xfz 1y6w 1yr5 1yrt 1yru 1zot 1zuz 2be6 2f3y 2f3z 2hf5 2jzi 2k0e 2k0f 2k0j 2k61 2kne 2kug 2kuh 2l53 2lgf 2ll6 2ll7 2lqc 2lqp 2lv6 2m0j 2m0k 2m55 2mg5 2n27 2n6a 2n77 2n8j 2r28 2v01 2v02 2vay 2w73 2wel 2x0g 2y4v 3bya 3cln 3dve 3dvj 3dvk 3dvm 3ewt 3ewv 3g43 3hr4 3j41 3oxq 3sui 3uct 3ucw 3ucy 4bw7 4bw8 4byf 4dck 4djc 4gow 4jpz 4jq0 4l79 4lzx 4m1l 4ovn 4q57 4q5u 4umo 4upu 4v0c 5coc 5dbr 5dow 5dsu 5ggm 5i0i 5j03 5j8h 5k7l 5k8q 5wsu 5wsv

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 5VMS)