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(-) Description

Title :  MTHK PORE CRYSTALLIZED IN PRESENCE OF TBSB
 
Authors :  D. J. Posson, J. G. Mccoy, C. M. Nimigean
Date :  14 Nov 12  (Deposition) - 26 Dec 12  (Release) - 06 Mar 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H
Biol. Unit 1:  A,B,C,D  (1x)
Biol. Unit 2:  E,F,G,H  (1x)
Keywords :  Transmembrane Ion Channel Family, Potassium Channel, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. J. Posson, J. G. Mccoy, C. M. Nimigean
The Voltage-Dependent Gate In Mthk Potassium Channels Is Located At The Selectivity Filter.
Nat. Struct. Mol. Biol. V. 20 159 2013
PubMed-ID: 23262489  |  Reference-DOI: 10.1038/NSMB.2473

(-) Compounds

Molecule 1 - CALCIUM-GATED POTASSIUM CHANNEL MTHK
    Chains: D, C, A, B, E, F, G, H
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PQE82
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: UNP RESIDUES 11-101
    Gene: MTHK, MTH_1520
    Mutation: YES
    Organism Scientific: METHANOTHERMOBACTER THERMAUTOTROPHICUS
    Organism Taxid: 187420
    Strain: DELTA H

 Structural Features

(-) Chains, Units

  12345678
Asymmetric Unit : ABCDEFGH
Biological Unit 1 (1x): ABCD    
Biological Unit 2 (1x):     EFGH

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 28)

Asymmetric Unit (2, 28)
No.NameCountTypeFull Name
1HEZ20Ligand/IonHEXANE-1,6-DIOL
2K8Ligand/IonPOTASSIUM ION
Biological Unit 1 (1, 12)
No.NameCountTypeFull Name
1HEZ12Ligand/IonHEXANE-1,6-DIOL
2K-1Ligand/IonPOTASSIUM ION
Biological Unit 2 (1, 8)
No.NameCountTypeFull Name
1HEZ8Ligand/IonHEXANE-1,6-DIOL
2K-1Ligand/IonPOTASSIUM ION

(-) Sites  (28, 28)

Asymmetric Unit (28, 28)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREGLY A:61 , TYR A:62 , GLY B:61 , TYR B:62 , GLY C:61 , TYR C:62 , GLY D:61 , TYR D:62 , K D:202BINDING SITE FOR RESIDUE K D 201
02AC2SOFTWAREVAL A:60 , GLY A:61 , VAL B:60 , GLY B:61 , VAL C:60 , GLY C:61 , VAL D:60 , GLY D:61 , K D:201 , K D:203BINDING SITE FOR RESIDUE K D 202
03AC3SOFTWARETHR A:59 , VAL A:60 , THR B:59 , VAL B:60 , THR C:59 , VAL C:60 , THR D:59 , VAL D:60 , K D:202 , K D:204BINDING SITE FOR RESIDUE K D 203
04AC4SOFTWARETHR A:59 , THR B:59 , THR C:59 , THR D:59 , K D:203BINDING SITE FOR RESIDUE K D 204
05AC5SOFTWAREHOH D:317BINDING SITE FOR RESIDUE HEZ D 205
06AC6SOFTWAREARG D:22BINDING SITE FOR RESIDUE HEZ D 206
07AC7SOFTWARETYR D:74BINDING SITE FOR RESIDUE HEZ D 207
08AC8SOFTWAREHOH C:321 , ALA G:29 , ILE G:32BINDING SITE FOR RESIDUE HEZ C 201
09AC9SOFTWAREARG C:22 , LEU C:26 , ILE G:32BINDING SITE FOR RESIDUE HEZ C 202
10BC1SOFTWARELEU A:50 , TYR C:74 , CYS C:77 , VAL C:81BINDING SITE FOR RESIDUE HEZ C 203
11BC2SOFTWAREALA A:29 , HOH A:324BINDING SITE FOR RESIDUE HEZ A 201
12BC3SOFTWAREARG A:22 , LEU A:26 , ALA A:29BINDING SITE FOR RESIDUE HEZ A 202
13BC4SOFTWARETYR A:74 , VAL A:81BINDING SITE FOR RESIDUE HEZ A 203
14BC5SOFTWAREHOH B:317 , ALA E:29BINDING SITE FOR RESIDUE HEZ B 201
15BC6SOFTWAREARG B:22BINDING SITE FOR RESIDUE HEZ B 202
16BC7SOFTWARETYR B:74 , VAL B:81 , LEU C:50BINDING SITE FOR RESIDUE HEZ B 203
17BC8SOFTWAREGLY E:61 , TYR E:62 , K E:202 , GLY F:61 , TYR F:62 , GLY G:61 , TYR G:62 , GLY H:61 , TYR H:62BINDING SITE FOR RESIDUE K E 201
18BC9SOFTWAREVAL E:60 , GLY E:61 , K E:201 , K E:203 , VAL F:60 , GLY F:61 , VAL G:60 , GLY G:61 , VAL H:60 , GLY H:61BINDING SITE FOR RESIDUE K E 202
19CC1SOFTWARETHR E:59 , VAL E:60 , K E:202 , K E:204 , THR F:59 , VAL F:60 , THR G:59 , VAL G:60 , THR H:59 , VAL H:60BINDING SITE FOR RESIDUE K E 203
20CC2SOFTWARETHR E:59 , K E:203 , THR F:59 , THR G:59 , THR H:59BINDING SITE FOR RESIDUE K E 204
21CC3SOFTWAREILE B:32 , TRP B:46 , ARG E:22 , LEU E:26BINDING SITE FOR RESIDUE HEZ E 205
22CC4SOFTWARETYR E:74 , CYS E:77 , LEU H:50BINDING SITE FOR RESIDUE HEZ E 206
23CC5SOFTWAREARG F:22 , LEU F:26BINDING SITE FOR RESIDUE HEZ F 201
24CC6SOFTWARETYR F:74BINDING SITE FOR RESIDUE HEZ F 202
25CC7SOFTWARELEU F:50 , TYR H:74 , VAL H:81BINDING SITE FOR RESIDUE HEZ F 203
26CC8SOFTWAREARG G:22BINDING SITE FOR RESIDUE HEZ G 201
27CC9SOFTWARETYR G:74BINDING SITE FOR RESIDUE HEZ G 202
28DC1SOFTWAREARG H:22BINDING SITE FOR RESIDUE HEZ H 201

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4HZ3)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4HZ3)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4HZ3)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4HZ3)

(-) Exons   (0, 0)

(no "Exon" information available for 4HZ3)

(-) 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:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 A 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97  


Chain B from PDB  Type:PROTEIN  Length:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 B 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97  


Chain C from PDB  Type:PROTEIN  Length:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 C 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97  


Chain D from PDB  Type:PROTEIN  Length:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 D 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97  


Chain E from PDB  Type:PROTEIN  Length:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 E 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97  


Chain F from PDB  Type:PROTEIN  Length:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 F 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97  


Chain G from PDB  Type:PROTEIN  Length:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 G 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97  


Chain H from PDB  Type:PROTEIN  Length:82
                                                                                                                 
               SCOP domains ---------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------- Transcript
                  4hz3 H 18 VPATRILLLVLAVIIYGTAGFHFIEGESWTVSLYWTFVTIATVGYGDYSPHTPLGMYFTCTLIVLGIGTFAVAVERLLEFLI 99
                                    27        37        47        57        67        77        87        97
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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  (0, 0)

(no "SCOP Domain" information available for 4HZ3)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4HZ3)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4HZ3)

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  4hz3
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  MTHK_METTH | O27564
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 Related Entries

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

UniProtKB/Swiss-Prot
        MTHK_METTH | O27564: 1lnq 2aef 2aej 2aem 2fy8 2ogu 3kxd 3ldc 3ldd 3lde 3ous 3r65 3rbx 3rbz 4ei2 4hyo 4l73 4l74 4l75 4l76 4qe7 4qe9 4ro0

(-) Related Entries Specified in the PDB File

4hyo