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(-) Description

Title :  KCSA WITH V76ESTER MUTATION
 
Authors :  K. Matulef, F. I. Valiyaveetil
Date :  20 Oct 15  (Deposition) - 20 Apr 16  (Release) - 18 May 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.75
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A,B,C  (4x)
Keywords :  Alpha Helical, Channel, Fab, Membrane Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Matulef, A. W. Annen, J. C. Nix, F. I. Valiyaveetil
Individual Ion Binding Sites In The K(+) Channel Play Distinct Roles In C-Type Inactivation And In Recovery From Inactivation.
Structure V. 24 750 2016
PubMed-ID: 27150040  |  Reference-DOI: 10.1016/J.STR.2016.02.021

(-) Compounds

Molecule 1 - ANTIBODY FAB FRAGMENT LIGHT CHAIN
    Chains: A
    Engineered: YES
    Expression System: MUS MUSCULUS
    Expression System Cell Line: HYBRIDOMA
    Expression System Common: HOUSE MOUSE
    Expression System Taxid: 10090
    Organism Common: HOUSE MOUSE
    Organism Scientific: MUS MUSCULUS
    Organism Taxid: 10090
 
Molecule 2 - ANTIBODY FAB FRAGMENT LIGHT CHAIN
    Chains: B
    Engineered: YES
    Expression System: MUS MUSCULUS
    Expression System Cell Line: HYBRIDOMA
    Expression System Common: HOUSE MOUSE
    Expression System Taxid: 10090
    Organism Common: HOUSE MOUSE
    Organism Scientific: MUS MUSCULUS
    Organism Taxid: 10090
 
Molecule 3 - PH-GATED POTASSIUM CHANNEL KCSA
    Chains: C
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: UNP RESIDUES 1-125
    Gene: KCSA, SKC1
    Mutation: YES
    Organism Scientific: STREPTOMYCES LIVIDANS
    Organism Taxid: 1916
    Synonym: STREPTOMYCES LIVIDANS K+ CHANNEL,SKC1

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit : ABC
Biological Unit 1 (4x): ABC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 9)

Asymmetric Unit (4, 9)
No.NameCountTypeFull Name
1DGA1Ligand/IonDIACYL GLYCEROL
2F091Ligand/IonNONAN-1-OL
3K6Ligand/IonPOTASSIUM ION
4LHV1Mod. Amino Acid(2S)-2-HYDROXY-3-METHYLBUTANOIC ACID
Biological Unit 1 (3, 12)
No.NameCountTypeFull Name
1DGA4Ligand/IonDIACYL GLYCEROL
2F094Ligand/IonNONAN-1-OL
3K-1Ligand/IonPOTASSIUM ION
4LHV4Mod. Amino Acid(2S)-2-HYDROXY-3-METHYLBUTANOIC ACID

(-) Sites  (8, 8)

Asymmetric Unit (8, 8)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:57 , LEU C:46 , LEU C:90 , VAL C:91 , VAL C:94binding site for residue F09 C 2001
2AC2SOFTWARESER C:44 , TYR C:45 , PRO C:63 , LEU C:66 , CYS C:70 , LEU C:86 , ARG C:89binding site for residue DGA C 2002
3AC3SOFTWAREGLY C:77 , TYR C:78binding site for residue K C 2003
4AC4SOFTWARELHV C:76 , GLY C:77binding site for residue K C 2004
5AC5SOFTWARETHR C:75binding site for residue K C 2005
6AC6SOFTWAREK C:2008binding site for residue K C 2007
7AC7SOFTWAREK C:2007binding site for residue K C 2008
8AC8SOFTWAREGLU C:71 , THR C:74 , THR C:75 , TYR C:78 , GLY C:79 , K C:2003 , K C:2004binding site for Ligand residues LHV C 76 through GLY C 77 bound to THR C 75

(-) SS Bonds  (4, 4)

Asymmetric Unit
No.Residues
1A:22 -A:96
2A:145 -A:200
3B:23 -B:88
4B:134 -B:194

(-) Cis Peptide Bonds  (6, 6)

Asymmetric Unit
No.Residues
1Phe A:151 -Pro A:152
2Glu A:153 -Pro A:154
3Trp A:193 -Pro A:194
4Ser B:7 -Pro B:8
5Trp B:94 -Pro B:95
6Tyr B:140 -Pro B:141

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5EC1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5EC1)

(-) Exons   (0, 0)

(no "Exon" information available for 5EC1)

(-) 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:219
                                                                                                                                                                                                                                                           
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...ee...eeee....eeeeeeee........eeeeeee......eeeeee......eee.......eeee......eeeeeee..hhhhheeeeeeee.....eeee...eeeee........eeee...........eeeeeeeeeee.....eeee.hhh....eee...ee....eeeeeeeeee.hhh.....eeeee.......eeee..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 5ec1 A   1 QVQLQQPGAELVKPGASVKLSCKASGYTFTSDWIHWVKQRPGHGLEWIGEIIPSYGRANYNEKIQKKATLTADKSSSTAFMQLSSLTSEDSAVYYCARERGDGYFAVWGAGTTVTVSSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQSDLYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRD 219
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210         


Chain B from PDB  Type:PROTEIN  Length:209
                                                                                                                                                                                                                                                 
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...ee....eeee.....eeeeeee.......eeeeee......eeeee...ee.......eeeeee..eeeeee...hhhhh.eeeeee......ee...eeeee.......eeeee..hhhhhhhheeeeeeeeeee.....eeeeee..eee...ee............eeeeeeeeeehhhhhh...eeeeee.......eeeee Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 5ec1 B   1 DILLTQSPAILSVSPGERVSFSCRASQSIGTDIHWYQQRTNGSPRLLIKYASESISGIPSRFSGSGSGTDFTLSINSVESEDIANYYCQQSNRWPFTFGSGTKLEIKRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSF 209
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200         


Chain C from PDB  Type:PROTEIN  Length:103
                                                                                                                                       
               SCOP domains ------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------- Transcript
                 5ec1 C  22 SALHWRAAGAATVLLVIVLLAGSYLAVLAERGAPGAQLITYPRALWWACETATTxGYGDLCPVTLWGRLVAVVVMVAGITSFGLVTAALATWFVGREQERRGH 124
                                    31        41        51        61        71    |   81        91       101       111       121   
                                                                                 76-LHV
   Legend:   → Mismatch (orange background)
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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 5EC1)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5EC1)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5EC1)

(-) Gene Ontology  (10, 10)

Asymmetric Unit(hide GO term definitions)

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  5ec1
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  KCSA_STRLI | P0A334
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 Related Entries

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

UniProtKB/Swiss-Prot
        KCSA_STRLI | P0A334: 1bl8 1f6g 1j95 1jq1 1jq2 1jvm 1k4c 1k4d 1r3i 1r3j 1r3k 1r3l 1s33 1s5h 1zwi 2a9h 2atk 2bob 2boc 2dwd 2dwe 2h8p 2hg5 2hjf 2hvj 2hvk 2ih1 2ih3 2itc 2itd 2jk5 2nlj 2p7t 2qto 2w0f 3eff 3f5w 3f7v 3f7y 3fb5 3fb6 3fb7 3fb8 3gb7 3hpl 3ifx 3iga 3ogc 3or6 3or7 3pjs 3stl 3stz 4lbe 4lcu 4msw 4uuj 5e1a 5ebl 5ebm 5ebw 5ec2 5j9p

(-) Related Entries Specified in the PDB File

5ebl 5ebm 5ebw 5ec2