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(-) Description

Title :  STRUCTURE OF E203V MUTANT E.COLI CL-/H+ EXCHANGER, CLC-EC1
 
Authors :  H. -H. Lim, C. Miller
Date :  18 Sep 08  (Deposition) - 17 Feb 09  (Release) - 18 Sep 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym. Unit :  A,B,C,D,E,F
Biol. Unit 1:  A,B,C,D,E,F  (1x)
Biol. Unit 2:  A,B  (1x)
Biol. Unit 3:  C,D  (1x)
Biol. Unit 4:  E,F  (1x)
Keywords :  Membrane Protein, Cl-/H+ Exchanger, Antiport, Cell Inner Membrane, Cell Membrane, Chloride, Ion Transport, Stress Response, Transmembrane, Transport, Immune System-Proton Transport Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  H. H. Lim, C. Miller
Intracellular Proton-Transfer Mutants In A Clc Cl-/H+ Exchanger.
J. Gen. Physiol. V. 133 131 2009
PubMed-ID: 19139174  |  Reference-DOI: 10.1085/JGP.200810112

(-) Compounds

Molecule 1 - H(+)/CL(-) EXCHANGE TRANSPORTER CLCA
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneCLCA, ERIC, YADQ, B0155, JW5012
    MutationYES
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    SynonymCLC-EC1 H(+)/CL(-) EXCHANGE;
CLC-EC1
 
Molecule 2 - FAB FRAGMENT, HEAVY CHAIN
    CellHYBRIDOMA
    ChainsC, E
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090
 
Molecule 3 - FAB FRAGMENT, LIGHT CHAIN
    CellHYBRIDOMA
    ChainsD, F
    Organism CommonMOUSE
    Organism ScientificMUS MUSCULUS
    Organism Taxid10090

 Structural Features

(-) Chains, Units

  123456
Asymmetric Unit ABCDEF
Biological Unit 1 (1x)ABCDEF
Biological Unit 2 (1x)AB    
Biological Unit 3 (1x)  CD  
Biological Unit 4 (1x)    EF

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric Unit (1, 4)
No.NameCountTypeFull Name
1BR4Ligand/IonBROMIDE ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1BR-1Ligand/IonBROMIDE ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1BR-1Ligand/IonBROMIDE ION
Biological Unit 3 (0, 0)
No.NameCountTypeFull Name
1BR-1Ligand/IonBROMIDE ION
Biological Unit 4 (0, 0)
No.NameCountTypeFull Name
1BR-1Ligand/IonBROMIDE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:107 , GLY A:355 , ILE A:356 , TYR A:445BINDING SITE FOR RESIDUE BR A 474
2AC2SOFTWARESER A:107BINDING SITE FOR RESIDUE BR A 475
3AC3SOFTWARESER B:107 , GLY B:355 , ILE B:356 , PHE B:357 , TYR B:445BINDING SITE FOR RESIDUE BR B 474
4AC4SOFTWARESER B:107BINDING SITE FOR RESIDUE BR B 475

(-) SS Bonds  (8, 8)

Asymmetric Unit
No.Residues
1C:22 -C:96
2C:148 -C:203
3D:23 -D:87
4D:133 -D:193
5E:22 -E:96
6E:148 -E:203
7F:23 -F:87
8F:133 -F:193

(-) Cis Peptide Bonds  (10, 10)

Asymmetric Unit
No.Residues
1Phe C:154 -Pro C:155
2Glu C:156 -Pro C:157
3Trp C:196 -Pro C:197
4His D:93 -Pro D:94
5Tyr D:139 -Pro D:140
6Phe E:154 -Pro E:155
7Glu E:156 -Pro E:157
8Trp E:196 -Pro E:197
9His F:93 -Pro F:94
10Tyr F:139 -Pro F:140

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3EJZ)

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.IGKC_MOUSE84-90
 
  2D:191-197
F:191-197
Biological Unit 1 (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.IGKC_MOUSE84-90
 
  2D:191-197
F:191-197
Biological Unit 2 (, 0)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.IGKC_MOUSE84-90
 
  0-
-
Biological Unit 3 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.IGKC_MOUSE84-90
 
  1D:191-197
-
Biological Unit 4 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IG_MHCPS00290 Immunoglobulins and major histocompatibility complex proteins signature.IGKC_MOUSE84-90
 
  1-
F:191-197

(-) Exons   (0, 0)

(no "Exon" information available for 3EJZ)

(-) 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:444
 aligned with CLCA_ECOLI | P37019 from UniProtKB/Swiss-Prot  Length:473

    Alignment length:444
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426       436       446       456    
           CLCA_ECOLI    17 RRRQLIRQLLERDKTPLAILFMAAVVGTLVGLAAVAFDKGVAWLQNQRMGALVHTADNYPLLLTVAFLCSAVLAMFGYFLVRKYAPEAGGSGIPEIEGALEDQRPVRWWRVLPVKFFGGLGTLGGGMVLGREGPTVQIGGNIGRMVLDIFRLKGDEARHTLLATGAAAGLAAAFNAPLAGILFIIEEMRPQFRYTLISIKAVFIGVIMSTIMYRIFNHEVALIDVGKLSDAPLNTLWLYLILGIIFGIFGPIFNKWVLGMQDLLHRVHGGNITKWVLMGGAIGGLCGLLGFVAPATSGGGFNLIPIATAGNFSMGMLVFIFVARVITTLLCFSSGAPGGIFAPMLALGTVLGTAFGMVAVELFPQYHLEAGTFAIAGMGALLAASIRAPLTGIILVLEMTDNYQLILPMIITGLGATLLAQFTGGKPLYSAILARTLAKQEAEQ 460
               SCOP domains d3ejza_ A: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                                 SCOP domains
               CATH domains 3ejzA00 A:17-460 Clc chloride channel                                                                                                                                                                                                                                                                                                                                                                                                                        CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhh.....hhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3ejz A  17 RRRQLIRQLLERDKTPLAILFMAAVVGTLVGLAAVAFDKGVAWLQNQRMGALVHTADNYPLLLTVAFLCSAVLAMFGYFLVRKYAPEAGGSGIPEIEGALEDQRPVRWWRVLPVKFFGGLGTLGGGMVLGREGPTVQIGGNIGRMVLDIFRLKGDEARHTLLATGAAAGLAAAFNAPLAGILFIIEVMRPQFRYTLISIKAVFIGVIMSTIMYRIFNHEVALIDVGKLSDAPLNTLWLYLILGIIFGIFGPIFNKWVLGMQDLLHRVHGGNITKWVLMGGAIGGLCGLLGFVAPATSGGGFNLIPIATAGNFSMGMLVFIFVARVITTLLCFSSGAPGGIFAPMLALGTVLGTAFGMVAVELFPQYHLEAGTFAIAGMGALLAASIRAPLTGIILVLEMTDNYQLILPMIITGLGATLLAQFTGGKPLYSAILARTLAKQEAEQ 460
                                    26        36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256       266       276       286       296       306       316       326       336       346       356       366       376       386       396       406       416       426       436       446       456    

Chain B from PDB  Type:PROTEIN  Length:441
 aligned with CLCA_ECOLI | P37019 from UniProtKB/Swiss-Prot  Length:473

    Alignment length:441
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437       447       457 
           CLCA_ECOLI    18 RRQLIRQLLERDKTPLAILFMAAVVGTLVGLAAVAFDKGVAWLQNQRMGALVHTADNYPLLLTVAFLCSAVLAMFGYFLVRKYAPEAGGSGIPEIEGALEDQRPVRWWRVLPVKFFGGLGTLGGGMVLGREGPTVQIGGNIGRMVLDIFRLKGDEARHTLLATGAAAGLAAAFNAPLAGILFIIEEMRPQFRYTLISIKAVFIGVIMSTIMYRIFNHEVALIDVGKLSDAPLNTLWLYLILGIIFGIFGPIFNKWVLGMQDLLHRVHGGNITKWVLMGGAIGGLCGLLGFVAPATSGGGFNLIPIATAGNFSMGMLVFIFVARVITTLLCFSSGAPGGIFAPMLALGTVLGTAFGMVAVELFPQYHLEAGTFAIAGMGALLAASIRAPLTGIILVLEMTDNYQLILPMIITGLGATLLAQFTGGKPLYSAILARTLAKQEA 458
               SCOP domains d3ejzb_ B: automated matches                                                                                                                                                                                                                                                                                                                                                                                                                              SCOP domains
               CATH domains 3ejzB00 B:18-458 Clc chloride channel                                                                                                                                                                                                                                                                                                                                                                                                                     CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhh.....hhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhhh.............hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ejz B  18 RRQLIRQLLERDKTPLAILFMAAVVGTLVGLAAVAFDKGVAWLQNQRMGALVHTADNYPLLLTVAFLCSAVLAMFGYFLVRKYAPEAGGSGIPEIEGALEDQRPVRWWRVLPVKFFGGLGTLGGGMVLGREGPTVQIGGNIGRMVLDIFRLKGDEARHTLLATGAAAGLAAAFNAPLAGILFIIEVMRPQFRYTLISIKAVFIGVIMSTIMYRIFNHEVALIDVGKLSDAPLNTLWLYLILGIIFGIFGPIFNKWVLGMQDLLHRVHGGNITKWVLMGGAIGGLCGLLGFVAPATSGGGFNLIPIATAGNFSMGMLVFIFVARVITTLLCFSSGAPGGIFAPMLALGTVLGTAFGMVAVELFPQYHLEAGTFAIAGMGALLAASIRAPLTGIILVLEMTDNYQLILPMIITGLGATLLAQFTGGKPLYSAILARTLAKQEA 458
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277       287       297       307       317       327       337       347       357       367       377       387       397       407       417       427       437       447       457 

Chain C from PDB  Type:PROTEIN  Length:221
 aligned with HVM38_MOUSE | P01808 from UniProtKB/Swiss-Prot  Length:119

    Alignment length:221
                                                                                                                                   104                                                                                                                   
                                                                                                                                103  |                                                                                                                   
                                                                                                                               102|  |                                                                                                                   
                                                                                                                             101 ||  |            119                                                                                                    
                                    11        21        31        41        51        61        71        81        91       101 ||  | 108       118|        -         -         -         -         -         -         -         -         -         - 
          HVM38_MOUSE     2 VKLLESGGGLVQPGGSLKLSCAASGFDFSRYWMSWVRQAPGKGLEWIGEINPDSSTINYTPSLKDKFIISRDNAKNTLYLQMSKVRSEDTALYYCARLGY-YG--YFDVWGAGTTVTVSSE----------------------------------------------------------------------------------------------------   -
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 3ejzC01 C:2-121 Immunoglobulins                                                                                         3ejzC02 C:122-220 Immunoglobulins                                                                  -- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee..eee.....eeeeeeee........eeeeee.....eeeeeee......eee.......eeeeee....eeeeee...hhhhheeeeeeeee......eeeee...eeeee........eeeee..........eeeeeeeeeee.....eeee.hhh....eee...eee..eeeeeeeeeee.........eeeeeehhhheeeeee..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ejz C   2 VRLLESGGGLVQPGGSLKLSCAASGFDYSRYWMSWVRQAPGKGLKWIGEINPVSSTINYTPSLKDKFIISRDNAKDTLYLQISKVRSEDTALYYCARLYYGYGYWYFDVWGAGTTVTVSSAKTTPPSVYPLAPGSAAAAASMVTLGCLVKGYFPEPVTVTWNSGSLAAGVHTFPAVLQAALYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRA 222
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 

Chain D from PDB  Type:PROTEIN  Length:211
 aligned with IGKC_MOUSE | P01837 from UniProtKB/Swiss-Prot  Length:106

    Alignment length:211
                                                                                                                                       1                                                                                                       
                                     -         -         -         -         -         -         -         -         -         -       | 3        13        23        33        43        53        63        73        83        93       103 
           IGKC_MOUSE     - -----------------------------------------------------------------------------------------------------------ADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRN 104
               SCOP domains d3ejzd1 D:1-106 Immunoglobulin light chain kappa variable domain, VL-kappa                                d3ejzd2 D:107-211 Immunoglobulin light chain kappa constant domain, CL-kappa                              SCOP domains
               CATH domains -----------------------------------------------------------------------------------------------------------3ejzD02 D:108-210 Immunoglobulins                                                                      - CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee...eee.....eeeeeeee.......ee............ee...ee.......eeeeee..eeeeeee........ee.eee......ee...eeee........eeeee..hhhhhh..eeeeeeeeeee.....eeeeee..eee...eeeee.........eeeeeeeeeehhhhhh..eeeeeee.......eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC -------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ejz D   1 DIVLTQSPAIMSAAPGDKVTMTCSASSSVSYIHWYQQKSGTSPKRWIYDTSKLTSGVPVRFSGSGSGTSYSLTINTMEAEDAATYYCQQWSSHPQTFGGGTKLEILRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRA 211
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210 

Chain E from PDB  Type:PROTEIN  Length:221
 aligned with HVM38_MOUSE | P01808 from UniProtKB/Swiss-Prot  Length:119

    Alignment length:221
                                                                                                                                   104                                                                                                                   
                                                                                                                                103  |                                                                                                                   
                                                                                                                               102|  |                                                                                                                   
                                                                                                                             101 ||  |            119                                                                                                    
                                    11        21        31        41        51        61        71        81        91       101 ||  | 108       118|        -         -         -         -         -         -         -         -         -         - 
          HVM38_MOUSE     2 VKLLESGGGLVQPGGSLKLSCAASGFDFSRYWMSWVRQAPGKGLEWIGEINPDSSTINYTPSLKDKFIISRDNAKNTLYLQMSKVRSEDTALYYCARLGY-YG--YFDVWGAGTTVTVSSE----------------------------------------------------------------------------------------------------   -
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains 3ejzE01 E:2-121 Immunoglobulins                                                                                         3ejzE02 E:122-220 Immunoglobulins                                                                  -- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeee..eee.....eeeeeeee........eeeeee.....eeeeeee......eee.......eeeeee....eeeeee...hhhhheeeeeeeee......eeeee...eeeee........eeeee..........eeeeeeeee.......eeee.hhh....eee..........eeeeeeeee.........eeeeeehhhheeeeee..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ejz E   2 VRLLESGGGLVQPGGSLKLSCAASGFDYSRYWMSWVRQAPGKGLKWIGEINPVSSTINYTPSLKDKFIISRDNAKDTLYLQISKVRSEDTALYYCARLYYGYGYWYFDVWGAGTTVTVSSAKTTPPSVYPLAPGSAAAAASMVTLGCLVKGYFPEPVTVTWNSGSLAAGVHTFPAVLQAALYTLSSSVTVPSSSWPSETVTCNVAHPASSTKVDKKIVPRA 222
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221 

Chain F from PDB  Type:PROTEIN  Length:211
 aligned with IGKC_MOUSE | P01837 from UniProtKB/Swiss-Prot  Length:106

    Alignment length:211
                                                                                                                                       1                                                                                                       
                                     -         -         -         -         -         -         -         -         -         -       | 3        13        23        33        43        53        63        73        83        93       103 
           IGKC_MOUSE     - -----------------------------------------------------------------------------------------------------------ADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRN 104
               SCOP domains d3ejzf1 F:1-106 Immunoglobulin light chain kappa variable domain, VL-kappa                                d3ejzf2 F:107-211 Immunoglobulin light chain kappa constant domain, CL-kappa                              SCOP domains
               CATH domains -----------------------------------------------------------------------------------------------------------3ejzF02 F:108-210 Immunoglobulins                                                                      - CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee...eeee.....eeeeeee.......eeeee......eeeee...ee.......eeeeee..eeeeee...hhhhh.eeeeee......ee...eeeee.......eeeee..hhhhhh..eeeeeeeeeee.....eeeeee..eee...eeeee.........eeeeeeeeeehhhhhh..eeeeeee.......eeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------IG_MHC -------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3ejz F   1 DIVLTQSPAIMSAAPGDKVTMTCSASSSVSYIHWYQQKSGTSPKRWIYDTSKLTSGVPVRFSGSGSGTSYSLTINTMEAEDAATYYCQQWSSHPQTFGGGTKLEILRADAAPTVSIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRA 211
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210 

   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  (3, 6)

Asymmetric Unit

(-) CATH Domains  (2, 8)

Asymmetric Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3EJZ)

(-) Gene Ontology  (33, 46)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (CLCA_ECOLI | P37019)
molecular function
    GO:0043168    anion binding    Interacting selectively and non-covalently with anions, charged atoms or groups of atoms with a net negative charge.
    GO:0015297    antiporter activity    Enables the active transport of a solute across a membrane by a mechanism whereby two or more species are transported in opposite directions in a tightly coupled process not directly linked to a form of energy other than chemiosmotic energy. The reaction is: solute A(out) + solute B(in) = solute A(in) + solute B(out).
    GO:0031404    chloride ion binding    Interacting selectively and non-covalently with chloride ions (Cl-).
    GO:0015108    chloride transmembrane transporter activity    Enables the transfer of chloride ions from one side of a membrane to the other.
    GO:0005216    ion channel activity    Enables the facilitated diffusion of an ion (by an energy-independent process) by passage through a transmembrane aqueous pore or channel without evidence for a carrier-mediated mechanism. May be either selective (it enables passage of a specific ion only) or non-selective (it enables passage of two or more ions of same charge but different size).
    GO:0015299    solute:proton antiporter activity    Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: solute(out) + H+(in) = solute(in) + H+(out).
    GO:0005247    voltage-gated chloride channel activity    Enables the transmembrane transfer of a chloride ion by a voltage-gated channel. A voltage-gated channel is a channel whose open state is dependent on the voltage across the membrane in which it is embedded.
biological process
    GO:1902476    chloride transmembrane transport    The directed movement of chloride across a membrane.
    GO:0006821    chloride transport    The directed movement of chloride into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:1902600    hydrogen ion transmembrane transport    The directed movement of hydrogen ion (proton) across a membrane.
    GO:0034220    ion transmembrane transport    A process in which an ion is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0015706    nitrate transport    The directed movement of nitrate into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:1903959    regulation of anion transmembrane transport    Any process that modulates the frequency, rate or extent of anion transmembrane transport.
    GO:0055085    transmembrane transport    The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0005887    integral component of plasma membrane    The component of the plasma membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

Chain C,E   (HVM38_MOUSE | P01808)
molecular function
    GO:0003823    antigen binding    Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen.
    GO:0034987    immunoglobulin receptor binding    Interacting selectively and non-covalently with one or more specific sites on an immunoglobulin receptor molecule.
biological process
    GO:0050853    B cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.
    GO:0006958    complement activation, classical pathway    Any process involved in the activation of any of the steps of the classical pathway of the complement cascade which allows for the direct killing of microbes, the disposal of immune complexes, and the regulation of other immune processes.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0006911    phagocytosis, engulfment    The internalization of bacteria, immune complexes and other particulate matter or of an apoptotic cell by phagocytosis, including the membrane and cytoskeletal processes required, which involves one of three mechanisms: zippering of pseudopods around a target via repeated receptor-ligand interactions, sinking of the target directly into plasma membrane of the phagocytosing cell, or induced uptake via an enhanced membrane ruffling of the phagocytosing cell similar to macropinocytosis.
    GO:0006910    phagocytosis, recognition    The initial step in phagocytosis involving adhesion to bacteria, immune complexes and other particulate matter, or an apoptotic cell and based on recognition of factors such as bacterial cell wall components, opsonins like complement and antibody or protein receptors and lipids like phosphatidyl serine, and leading to intracellular signaling in the phagocytosing cell.
    GO:0050871    positive regulation of B cell activation    Any process that activates or increases the frequency, rate or extent of B cell activation.
cellular component
    GO:0072562    blood microparticle    A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
    GO:0009897    external side of plasma membrane    The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    GO:0042571    immunoglobulin complex, circulating    An immunoglobulin complex that is secreted into extracellular space and found in mucosal areas or other tissues or circulating in the blood or lymph. In its canonical form, a circulating immunoglobulin complex is composed of two identical heavy chains and two identical light chains, held together by disulfide bonds. Some forms of are polymers of the basic structure and contain additional components such as J-chain and the secretory component.

Chain D,F   (IGKC_MOUSE | P01837)
molecular function
    GO:0003823    antigen binding    Interacting selectively and non-covalently with an antigen, any substance which is capable of inducing a specific immune response and of reacting with the products of that response, the specific antibody or specifically sensitized T-lymphocytes, or both. Binding may counteract the biological activity of the antigen.
    GO:0034987    immunoglobulin receptor binding    Interacting selectively and non-covalently with one or more specific sites on an immunoglobulin receptor molecule.
biological process
    GO:0030183    B cell differentiation    The process in which a precursor cell type acquires the specialized features of a B cell. A B cell is a lymphocyte of B lineage with the phenotype CD19-positive and capable of B cell mediated immunity.
    GO:0050853    B cell receptor signaling pathway    A series of molecular signals initiated by the cross-linking of an antigen receptor on a B cell.
    GO:0006958    complement activation, classical pathway    Any process involved in the activation of any of the steps of the classical pathway of the complement cascade which allows for the direct killing of microbes, the disposal of immune complexes, and the regulation of other immune processes.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
    GO:0006911    phagocytosis, engulfment    The internalization of bacteria, immune complexes and other particulate matter or of an apoptotic cell by phagocytosis, including the membrane and cytoskeletal processes required, which involves one of three mechanisms: zippering of pseudopods around a target via repeated receptor-ligand interactions, sinking of the target directly into plasma membrane of the phagocytosing cell, or induced uptake via an enhanced membrane ruffling of the phagocytosing cell similar to macropinocytosis.
    GO:0006910    phagocytosis, recognition    The initial step in phagocytosis involving adhesion to bacteria, immune complexes and other particulate matter, or an apoptotic cell and based on recognition of factors such as bacterial cell wall components, opsonins like complement and antibody or protein receptors and lipids like phosphatidyl serine, and leading to intracellular signaling in the phagocytosing cell.
    GO:0050871    positive regulation of B cell activation    Any process that activates or increases the frequency, rate or extent of B cell activation.
cellular component
    GO:0072562    blood microparticle    A phospholipid microvesicle that is derived from any of several cell types, such as platelets, blood cells, endothelial cells, or others, and contains membrane receptors as well as other proteins characteristic of the parental cell. Microparticles are heterogeneous in size, and are characterized as microvesicles free of nucleic acids.
    GO:0009897    external side of plasma membrane    The leaflet of the plasma membrane that faces away from the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    GO:0042571    immunoglobulin complex, circulating    An immunoglobulin complex that is secreted into extracellular space and found in mucosal areas or other tissues or circulating in the blood or lymph. In its canonical form, a circulating immunoglobulin complex is composed of two identical heavy chains and two identical light chains, held together by disulfide bonds. Some forms of are polymers of the basic structure and contain additional components such as J-chain and the secretory component.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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

UniProtKB/Swiss-Prot
        CLCA_ECOLI | P370191kpk 1ots 1ott 1otu 2exw 2exy 2ez0 2fec 2fed 2fee 2h2p 2h2s 2hlf 2ht2 2ht3 2ht4 2htk 2htl 2r9h 3det 3ejy 3nmo 4ene 4fg6 4ftp 4kjp 4kjq 4kjw 4kk5 4kk6 4kk8 4kk9 4kka 4kkb 4kkc 4kkl 4lou 4mqx 5hd8
        HVM38_MOUSE | P018081ots 1ott 1otu 2exw 2exy 2ez0 2h2p 2h2s 2hlf 2ht2 2ht3 2ht4 2htk 2htl 3det 3ejy 3u0w 4kkb 4mqx
        IGKC_MOUSE | P0183715c8 1a0q 1a3l 1ahw 1ai1 1aif 1c12 1cf8 1cfn 1cfq 1cfs 1cft 1cic 1ck0 1ct8 1dqj 1dqm 1dqq 1e4w 1e4x 1ehl 1emt 1f11 1fai 1fbi 1fdl 1fe8 1fgn 1fj1 1fl3 1fns 1frg 1fsk 1gpo 1hh6 1hh9 1hi6 1i8m 1iai 1igy 1jnl 1jnn 1jrh 1k4c 1k4d 1kb5 1kc5 1kcr 1kcs 1kcu 1kcv 1ken 1kno 1lo0 1mf2 1mh5 1mlb 1mlc 1n5y 1n6q 1nby 1nbz 1ndg 1ndm 1oak 1ob1 1orq 1ors 1osp 1ots 1ott 1otu 1p2c 1p7k 1psk 1q9o 1q9w 1qgc 1r0a 1r24 1r3i 1r3j 1r3k 1r3l 1rih 1ruq 1rur 1s5h 1seq 1t03 1t4k 1ub5 1ub6 1uwx 1xf2 1xf3 1xf4 1xgp 1xgq 1xgu 25c8 2a6d 2a6k 2adf 2adj 2ajs 2aju 2ajv 2ajx 2ajy 2ajz 2ak1 2bob 2boc 2ck0 2f19 2fr4 2g5b 2h8p 2hg5 2hrp 2mpa 2nr6 2q76 2r1w 2r1y 2r23 2r2b 2uyl 2v17 2v7h 2vc2 2vdk 2vdl 2vdm 2vdn 2vdo 2vdp 2vdq 2vdr 2vl5 2vq1 2vwe 2w60 2w65 2w9d 2w9e 2z91 2z92 2z93 2zjs 35c8 3bae 3bgf 3bkc 3bkj 3bkm 3bpc 3bqu 3bsz 3bt2 3bz4 3c5s 3c6s 3cfb 3cfc 3cfd 3cfe 3ck0 3cle 3clf 3cmo 3cvh 3cvi 3d9a 3eot 3f7v 3f7y 3fb6 3hfm 4kk5 4kk8 4qnp 4zxb 6fab

(-) Related Entries Specified in the PDB File

1ots WILDTYPE STRUCTURE OF CLC-EC1
2fed STRUCTURE OF E203Q CLC-EC1
2fee STRUCTURE OF E203Q MUTANT CLC-EC1
3ejy STRUCTURE OF E203H MUTANT CLC-EC1