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(-) Description

Title :  STRUCTURE ANALYSIS OF UNKNOWN FUNCTION PROTEIN
 
Authors :  E. Inagaki, T. H. Tahirov
Date :  17 Feb 05  (Deposition) - 28 Jun 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Helix Rich, Hypothetical Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. Inagaki, T. H. Tahirov
Crystal Analysis Of Putative Potassium Channel Related Protein From Pyrococcus Horikoshii
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - HYPOTHETICAL PROTEIN PH0236
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET11A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Organism Common: ARCHAEA
    Organism Scientific: PYROCOCCUS HORIKOSHII
    Organism Taxid: 70601
    Strain: OT3

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 7)

Asymmetric Unit (2, 7)
No.NameCountTypeFull Name
1CA5Ligand/IonCALCIUM ION
2CL2Ligand/IonCHLORIDE ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1CA-1Ligand/IonCALCIUM ION
2CL-1Ligand/IonCHLORIDE ION

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLY A:174 , HOH A:2002 , HOH A:2012 , HOH A:2015 , HOH A:2179 , HOH A:2200 , HOH A:2201BINDING SITE FOR RESIDUE CA A1199
2AC2SOFTWARELYS A:159 , HOH A:2030 , HOH A:2059 , HOH A:2060 , HOH A:2182 , HOH A:2183 , HOH A:2184BINDING SITE FOR RESIDUE CA A1200
3AC3SOFTWAREASP A:55 , GLU A:89 , ASN A:93 , HOH A:2077 , HOH A:2119 , HOH A:2127BINDING SITE FOR RESIDUE CA A1201
4AC4SOFTWAREVAL A:66 , ALA A:69 , HOH A:2103BINDING SITE FOR RESIDUE CA A1202
5AC5SOFTWAREASP A:90 , HOH A:2122 , HOH A:2125 , HOH A:2126BINDING SITE FOR RESIDUE CA A1203
6AC6SOFTWARESER A:13 , LYS A:15 , GLU A:16 , GLY A:158BINDING SITE FOR RESIDUE CL A1204
7AC7SOFTWAREVAL A:135 , ALA A:173 , HOH A:2143 , HOH A:2199BINDING SITE FOR RESIDUE CL A1205

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2BKO)

(-) Exons   (0, 0)

(no "Exon" information available for 2BKO)

(-) 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:191
 aligned with O57975_PYRHO | O57975 from UniProtKB/TrEMBL  Length:205

    Alignment length:191
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198 
         O57975_PYRHO     9 YEPKSVKEIFIEMKDTVELMVDLAYASLLFGDKEIAEEVLELEERIDLLNYQLMMHSVLAARNVKEAEQVITILQIANAIEDISNAAGDLAKMVLEGVELHPVIKETILEGEEIIGKIQVYPESVIVGKTLGELDLATNTGVWIIAVRRGKRWIFGPNENFKIRAGDVLIGRGTRTSIDHLKEIARGAIRV 199
               SCOP domains d2bkoa1 A:9-107 Hypothetical protein PH0236, N-terminal domain                                     d2bkoa2 A:108-199 Hypothetical protein PH0236, C-terminal domain                             SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhh..eeeeee..........hhhhhhhhhhhh.eeeeeee..eeee............eeeeeehhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2bko A   9 YEPKSVKEIFIEMKDTVELMVDLAYASLLFGDKEIAEEVLELEERIDLLNYQLMMHSVLAARNVKEAEQVITILQIANAIEDISNAAGDLAKMVLEGVELHPVIKETILEGEEIIGKIQVYPESVIVGKTLGELDLATNTGVWIIAVRRGKRWIFGPNENFKIRAGDVLIGRGTRTSIDHLKEIARGAIRV 199
                                    18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198
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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: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A   (O57975_PYRHO | O57975)
molecular function
    GO:0008324    cation transmembrane transporter activity    Enables the transfer of cation from one side of the membrane to the other.
biological process
    GO:0098655    cation transmembrane transport    A process in which a cation is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006813    potassium ion transport    The directed movement of potassium ions (K+) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.

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 Related Entries

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

UniProtKB/TrEMBL
        O57975_PYRHO | O57975: 1vct 2bkn 2bkp

(-) Related Entries Specified in the PDB File

2bkn STRUCTURE ANALYSIS OF UNKNOWN FUNCTION PROTEIN
2bkp STRUCTURE ANALYSIS OF UNKNOWN FUNCTION PROTEIN