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(-) Description

Title :  CRYSTAL STRUCTURE OF HUMAN TWO PORE DOMAIN POTASSIUM ION CHANNEL TREK2 (K2P10.1) IN COMPLEX WITH A BROMINATED FLUOXETINE DERIVATIVE.
 
Authors :  A. Mackenzie, A. C. W. Pike, Y. Y. Dong, S. Mukhopadhyay, G. F. Ruda, P. E. C. H. Arrowsmith, A. M. Edwards, C. Bountra, N. A. Burgess-Brown, E. P. Carpenter, Structural Genomics Consortium (Sgc)
Date :  19 Dec 14  (Deposition) - 18 Mar 15  (Release) - 01 Apr 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.50
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Transport Protein, Outward Rectification, Membrane Protein, K2P, Structural Genomics, Structural Genomics Consortium, Sgc (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Y. Y. Dong, A. C. Pike, A. Mackenzie, C. Mcclenaghan, P. Aryal, L. Dong, A. Quigley, M. Grieben, S. Goubin, S. Mukhopadhyay, G. F. Ruda, M. V. Clausen, L. Cao, P. E. Brennan, N. A. Burgess-Brown, M. S. Sansom, S. J. Tucker, E. P. Carpenter
K2P Channel Gating Mechanisms Revealed By Structures Of Trek-2 And A Complex With Prozac.
Science V. 347 1256 2015
PubMed-ID: 25766236  |  Reference-DOI: 10.1126/SCIENCE.1261512

(-) Compounds

Molecule 1 - POTASSIUM CHANNEL SUBFAMILY K MEMBER 10
    ChainsA, B, C, D
    EngineeredYES
    Expression SystemSPODOPTERA FRUGIPERDA
    Expression System CellSF9
    Expression System CommonFALL ARMYWORM
    Expression System PlasmidPFB-CT10HF-LIC
    Expression System Taxid7108
    Expression System Vector TypeBACULOVIRUS
    FragmentUNP RESIDUES 67-340
    GeneKCNK10, TREK2
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymOUTWARD RECTIFYING POTASSIUM CHANNEL PROTEIN TREK-2,TREK-2 K(+) CHANNEL SUBUNIT

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)AB  
Biological Unit 2 (1x)  CD

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 16)

Asymmetric Unit (4, 16)
No.NameCountTypeFull Name
140D4Ligand/Ion3-[2-BROMANYL-4-(TRIFLUOROMETHYL)PHENOXY]-N-METHYL-3-PHENYL-PROPAN-1-AMINE
2CD2Ligand/IonCADMIUM ION
3K6Ligand/IonPOTASSIUM ION
4PC14Ligand/Ion1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE
Biological Unit 1 (2, 4)
No.NameCountTypeFull Name
140D2Ligand/Ion3-[2-BROMANYL-4-(TRIFLUOROMETHYL)PHENOXY]-N-METHYL-3-PHENYL-PROPAN-1-AMINE
2CD-1Ligand/IonCADMIUM ION
3K-1Ligand/IonPOTASSIUM ION
4PC12Ligand/Ion1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE
Biological Unit 2 (2, 4)
No.NameCountTypeFull Name
140D2Ligand/Ion3-[2-BROMANYL-4-(TRIFLUOROMETHYL)PHENOXY]-N-METHYL-3-PHENYL-PROPAN-1-AMINE
2CD-1Ligand/IonCADMIUM ION
3K-1Ligand/IonPOTASSIUM ION
4PC12Ligand/Ion1,2-DIACYL-SN-GLYCERO-3-PHOSPHOCHOLINE

(-) Sites  (12, 12)

Asymmetric Unit (12, 12)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREILE A:173 , GLY A:174 , VAL A:282 , GLY A:283 , ILE B:173 , GLY B:174 , VAL B:282 , GLY B:283 , K B:401binding site for residue K A 601
02AC2SOFTWARETHR A:172 , THR A:281 , THR B:172 , THR B:281 , K B:401binding site for residue K A 602
03AC3SOFTWAREGLU A:113 , GLU A:116 , ASP D:120binding site for residue CD A 604
04AC4SOFTWAREVAL A:253 , LEU A:279 , THR A:280 , PHE A:316binding site for residue 40D A 605
05AC5SOFTWARETHR A:172 , ILE A:173 , THR A:281 , VAL A:282 , K A:601 , K A:602 , THR B:172 , ILE B:173 , THR B:281 , VAL B:282binding site for residue K B 401
06AC6SOFTWAREVAL B:253 , PHE B:316binding site for residue 40D B 402
07AC7SOFTWAREILE C:173 , GLY C:174 , VAL C:282 , GLY C:283 , K C:602 , ILE D:173 , GLY D:174 , VAL D:282 , GLY D:283binding site for residue K C 601
08AC8SOFTWARETHR C:172 , ILE C:173 , THR C:281 , VAL C:282 , K C:601 , K C:603 , THR D:172 , ILE D:173 , THR D:281 , VAL D:282binding site for residue K C 602
09AC9SOFTWARETHR C:172 , THR C:281 , K C:602 , THR D:172 , THR D:281binding site for residue K C 603
10AD1SOFTWAREVAL C:253 , THR C:280 , PHE C:316binding site for residue 40D C 604
11AD2SOFTWAREASP A:120 , GLU D:113 , GLU D:116binding site for residue CD D 401
12AD3SOFTWAREVAL D:253 , THR D:280 , PHE D:316binding site for residue 40D D 404

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:123 -B:123
2C:123 -D:123

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 4XDL)

(-) 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:261
                                                                                                                                                                                                                                                                                                     
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh...............hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4xdl A  73 KWKTVVAIFVVVVVYLVTGGLVFRALEQPFESSQKNTIALEKAEFLRDHVCVSPQELETLIQHALDADNAGVSPIGNSSNNSSHWDLGSAFFFAGTVITTIGYGNIAPSTEGGKIFCILYAIFGIPLFGFLLAGIGDQLGTIFGKSIARVEKVFRKKQVSQTKIRVISTILFILAGCIVFVTIPAVIFKYIEGWTALESIYFVVVTLTTVGFGDFVAGGNAGINYREWYKPLVWFWILVGLAYFAAVLSMIGDWLRVLSKK 333
                                    82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332 

Chain B from PDB  Type:PROTEIN  Length:257
                                                                                                                                                                                                                                                                                                 
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh...............hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4xdl B  73 KWKTVVAIFVVVVVYLVTGGLVFRALEQPFESSQKNTIALEKAEFLRDHVCVSPQELETLIQHALDADNAGVSPIGNSSNNSSHWDLGSAFFFAGTVITTIGYGNIAPSTEGGKIFCILYAIFGIPLFGFLLAGIGDQLGTIFGKSIARVEKVFRKKQVSQTKIRVISTILFILAGCIVFVTIPAVIFKYIEGWTALESIYFVVVTLTTVGFGDFVAGGNAGINYREWYKPLVWFWILVGLAYFAAVLSMIGDWLRV 329
                                    82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       

Chain C from PDB  Type:PROTEIN  Length:234
                                                                                                                                                                                                                                                                          
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh...............hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4xdl C  73 KWKTVVAIFVVVVVYLVTGGLVFRALEQPFESSQKNTIALEKAEFLRDHVCVSPQELETLIQHALDADNAGVSPIGNSSNNSSHWDLGSAFFFAGTVITTIGYGNIAPSTEGGKIFCILYAIFGIPLFGFLLAGIGDQLGTIFGKSQTKIRVISTILFILAGCIVFVTIPAVIFKYIEGWTALESIYFVVVTLTTVGFGDFVAREWYKPLVWFWILVGLAYFAAVLSMIGDWLR 328
                                    82        92       102       112       122       132       142       152       162       172       182       192       202       212     ||236       246       256       266       276       286  ||   304       314       324    
                                                                                                                                                                           218|                                                     289|                              
                                                                                                                                                                            233                                                      298                              

Chain D from PDB  Type:PROTEIN  Length:258
                                                                                                                                                                                                                                                                                                  
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhh...............hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh...................hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 4xdl D  73 KWKTVVAIFVVVVVYLVTGGLVFRALEQPFESSQKNTIALEKAEFLRDHVCVSPQELETLIQHALDADNAGVSPIGNSSNNSSHWDLGSAFFFAGTVITTIGYGNIAPSTEGGKIFCILYAIFGIPLFGFLLAGIGDQLGTIFGKSIARVEKVFRKKQVSQTKIRVISTILFILAGCIVFVTIPAVIFKYIEGWTALESIYFVVVTLTTVGFGDFVAGGNAGINYREWYKPLVWFWILVGLAYFAAVLSMIGDWLRVL 330
                                    82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322        

   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  (0, 0)

(no "SCOP Domain" information available for 4XDL)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (15, 15)

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 Related Entries

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

UniProtKB/Swiss-Prot
        KCNKA_HUMAN | P577894bw5 4xdj 4xdk

(-) Related Entries Specified in the PDB File

4bw5