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(-) Description

Title :  CA2+-BOUND MTHK RCK DOMAIN AT 1.9 ANGSTROM WITH SINGLE LIGAND
 
Authors :  F. J. Smith, G. Cingolani, B. S. Rothberg
Date :  13 Jun 13  (Deposition) - 23 Oct 13  (Release) - 13 Nov 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.84
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Rossmann Fold, Regulatory Domain, Calcium Binding, Membrane- Associated, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  F. J. Smith, V. P. Pau, G. Cingolani, B. S. Rothberg
Structural Basis Of Allosteric Interactions Among Ca(2+)-Binding Sites In A K(+) Channel Rck Domain.
Nat Commun V. 4 2621 2013
PubMed-ID: 24126388  |  Reference-DOI: 10.1038/NCOMMS3621

(-) Compounds

Molecule 1 - CALCIUM-GATED POTASSIUM CHANNEL MTHK
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: RCK DOMAIN (UNP RESIDUES 107-336)
    Gene: MTHK, MTH_1520
    Organism Scientific: METHANOTHERMOBACTER THERMAUTOTROPHICUS
    Organism Taxid: 187420
    Strain: ATCC 29096 / DSM 1053 / JCM 10044 / NBRC 100330 / DELTA H

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:184 , GLU A:210 , GLU A:212 , HOH A:503 , HOH A:552 , HOH A:655BINDING SITE FOR RESIDUE CA A 401
2AC2SOFTWAREASP B:184 , GLU B:210 , GLU B:212 , HOH B:508 , HOH B:524 , HOH B:566BINDING SITE FOR RESIDUE CA B 401

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4L74)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4L74)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4L74)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4L74)

(-) Exons   (0, 0)

(no "Exon" information available for 4L74)

(-) Sequences/Alignments

Asymmetric/Biological 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:224
                                                                                                                                                                                                                                                                
               SCOP domains d4l74a1 A:116-244 automated matches                                                                                              d4l74a2 A:245-339 automated matches                                                             SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee..hhhhhhhhhh....eeeeee.hhhhhhhhhhh..eeee....hhhhhhhh......eeee...hhhhhhhhhhhhhhhh...eeeee..hhhhhhhhhhhh..eeehhhhhhhhhhhh....hhhhhhhhhhhh.....eeeeee..........hhhhhhhhhhhh.eeeeeee..eeee............eeeeeehhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4l74 A 116 RHVVICGWSESTLECLRELRGSEVFVLAEDENVRKKVLRSGANFVHGDPTRVSDLEKANVRGARAVIVDLESDSETIHCILGIRKIDESVRIIAEAERYENIEQLRMAGADQVISPFVISGRLMSRSIDDGYEAMFVQDVLAEESTRRMVEVPIPEGSKLEGVSVLDADIHDVTGVIIIGVGRGDELIIDPPRDYSFRAGDIILGIGKPEEIERLKNYISALVP 339
                                   125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335    


Chain B from PDB  Type:PROTEIN  Length:225
                                                                                                                                                                                                                                                                 
               SCOP domains d4l74b1 B:116-244 automated matches                                                                                              d4l74b2 B:245-340 automated matches                                                              SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee..hhhhhhhhhhh....eeeee.hhhhhhhhhhh..eeee....hhhhhhhh......eeee...hhhhhhhhhhhhhhhh...eeeee..hhhhhhhhhhhh..eeehhhhhhhhhhhhh...hhhhhhhhhhhh.....eeeeee..........hhhhhhhhhhhh.eeeeeee..eee.............eeeeeehhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4l74 B 116 RHVVICGWSESTLECLRELRGSEVFVLAEDENVRKKVLRSGANFVHGDPTRVSDLEKANVRGARAVIVDLESDSETIHCILGIRKIDESVRIIAEAERYENIEQLRMAGADQVISPFVISGRLMSRSIDDGYEAMFVQDVLAEESTRRMVEVPIPEGSKLEGVSVLDADIHDVTGVIIIGVGRGDELIIDPPRDYSFRAGDIILGIGKPEEIERLKNYISALVPR 340
                                   125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335
   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  (2, 4)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4L74)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4L74)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)

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  4l74
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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 4hz3 4l73 4l75 4l76 4qe7 4qe9 4ro0

(-) Related Entries Specified in the PDB File

4l73 4l75 4l76