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(-) Description

Title :  CRYSTAL STRUCTURES OF TWO UBC (E2) ENZYMES OF THE UBIQUITIN-CONJUGATING SYSTEM IN CAENORHABDITIS ELEGANS
 
Authors :  N. Schormann, G. Lin, S. Li, J. Symersky, S. Qiu, J. Finley, D. Luo, A. Stanton, M. Carson, M. Luo, Southeast Collaboratory For Structural Genomics (Secsg)
Date :  28 Jul 03  (Deposition) - 05 Aug 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.90
Chains :  Asym. Unit :  A,B,C
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  C  (1x)
Keywords :  Alpha-Beta(4)-Alpha(3); Core: Meander Beta-Sheet Plus One Helix 2, Structural Genomics, Psi, Protein Structure Initiative, Southeast Collaboratory For Structural Genomics, Secsg, Ligase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  N. Schormann, G. Lin, S. Li, J. Symersky, S. Qiu, J. Finley, D. Luo, A. Stanton, M. Carson, M. Luo
Crystal Structures Of Two Ubc (E2) Enzymes Of The Ubiquitin-Conjugating System In Caenorhabditis Elegans
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - UBIQUITIN-CONJUGATING ENZYME E2-21.5 KDA
    ChainsA, B, C
    EC Number6.3.2.19
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPET28B
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneUBC-1 OR C35B1.1
    Organism ScientificCAENORHABDITIS ELEGANS
    Organism Taxid6239
    SynonymUBIQUITIN- PROTEIN LIGASE, UBIQUITIN CARRIER PROTEIN

 Structural Features

(-) Chains, Units

  123
Asymmetric Unit ABC
Biological Unit 1 (1x)A  
Biological Unit 2 (1x) B 
Biological Unit 3 (1x)  C

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1Q34)

(-) Sites  (0, 0)

(no "Site" information available for 1Q34)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1Q34)

(-) Cis Peptide Bonds  (3, 3)

Asymmetric Unit
No.Residues
1Tyr A:63 -Pro A:64
2Tyr B:63 -Pro B:64
3Tyr C:63 -Pro C:64

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1Q34)

(-) PROSITE Motifs  (2, 6)

Asymmetric Unit (2, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1UBIQUITIN_CONJUGAT_2PS50127 Ubiquitin-conjugating enzymes family profile.UBC1_CAEEL7-139
 
 
  3A:7-139
B:7-139
C:7-139
2UBIQUITIN_CONJUGAT_1PS00183 Ubiquitin-conjugating enzymes active site.UBC1_CAEEL77-92
 
 
  3A:77-92
B:77-92
C:77-92
Biological Unit 1 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1UBIQUITIN_CONJUGAT_2PS50127 Ubiquitin-conjugating enzymes family profile.UBC1_CAEEL7-139
 
 
  1A:7-139
-
-
2UBIQUITIN_CONJUGAT_1PS00183 Ubiquitin-conjugating enzymes active site.UBC1_CAEEL77-92
 
 
  1A:77-92
-
-
Biological Unit 2 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1UBIQUITIN_CONJUGAT_2PS50127 Ubiquitin-conjugating enzymes family profile.UBC1_CAEEL7-139
 
 
  1-
B:7-139
-
2UBIQUITIN_CONJUGAT_1PS00183 Ubiquitin-conjugating enzymes active site.UBC1_CAEEL77-92
 
 
  1-
B:77-92
-
Biological Unit 3 (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1UBIQUITIN_CONJUGAT_2PS50127 Ubiquitin-conjugating enzymes family profile.UBC1_CAEEL7-139
 
 
  1-
-
C:7-139
2UBIQUITIN_CONJUGAT_1PS00183 Ubiquitin-conjugating enzymes active site.UBC1_CAEEL77-92
 
 
  1-
-
C:77-92

(-) Exons   (0, 0)

(no "Exon" information available for 1Q34)

(-) 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:149
 aligned with UBC1_CAEEL | P52478 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:149
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141         
           UBC1_CAEEL     2 TTPSRRRLMRDFKKLQEDPPAGVSGAPTEDNILTWEAIIFGPQETPFEDGTFKLSLEFTEEYPNKPPTVKFISKMFHPNVYADGSICLDILQNRWSPTYDVAAILTSIQSLLDEPNPNSPANSLAAQLYQENRREYEKRVQQIVEQSWL 150
               SCOP domains d1q34a_ A: Ubiquitin conjugating enzyme, UBC                                                                                                          SCOP domains
               CATH domains 1q34A00 A:2-150 Ubiquitin Conjugating Enzyme                                                                                                          CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhh....eeeee......eeeeeee..........eeeeeee..........eeee................hhhhh.......hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -----UBIQUITIN_CONJUGAT_2  PDB: A:7-139 UniProt: 7-139                                                                                    ----------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------UBIQUITIN_CONJUG---------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1q34 A   2 TTPSRRRLMRDFKKLQEDPPAGVSGAPTEDNILTWEAIIFGPQETPFEDGTFKLSLEFTEEYPNKPPTVKFISKMFHPNVYADGSICLDILQNRWSPTYDVAAILTSIQSLLDEPNPNSPANSLAAQLYQENRREYEKRVQQIVEQSWL 150
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141         

Chain B from PDB  Type:PROTEIN  Length:149
 aligned with UBC1_CAEEL | P52478 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:149
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141         
           UBC1_CAEEL     2 TTPSRRRLMRDFKKLQEDPPAGVSGAPTEDNILTWEAIIFGPQETPFEDGTFKLSLEFTEEYPNKPPTVKFISKMFHPNVYADGSICLDILQNRWSPTYDVAAILTSIQSLLDEPNPNSPANSLAAQLYQENRREYEKRVQQIVEQSWL 150
               SCOP domains d1q34b_ B: Ubiquitin conjugating enzyme, UBC                                                                                                          SCOP domains
               CATH domains 1q34B00 B:2-150 Ubiquitin Conjugating Enzyme                                                                                                          CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhh....eeeee......eeeeeee..........eeeeeee..........eeee............................hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -----UBIQUITIN_CONJUGAT_2  PDB: B:7-139 UniProt: 7-139                                                                                    ----------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------UBIQUITIN_CONJUG---------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1q34 B   2 TTPSRRRLMRDFKKLQEDPPAGVSGAPTEDNILTWEAIIFGPQETPFEDGTFKLSLEFTEEYPNKPPTVKFISKMFHPNVYADGSICLDILQNRWSPTYDVAAILTSIQSLLDEPNPNSPANSLAAQLYQENRREYEKRVQQIVEQSWL 150
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141         

Chain C from PDB  Type:PROTEIN  Length:149
 aligned with UBC1_CAEEL | P52478 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:149
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141         
           UBC1_CAEEL     2 TTPSRRRLMRDFKKLQEDPPAGVSGAPTEDNILTWEAIIFGPQETPFEDGTFKLSLEFTEEYPNKPPTVKFISKMFHPNVYADGSICLDILQNRWSPTYDVAAILTSIQSLLDEPNPNSPANSLAAQLYQENRREYEKRVQQIVEQSWL 150
               SCOP domains d1q34c_ C: Ubiquitin conjugating enzyme, UBC                                                                                                          SCOP domains
               CATH domains 1q34C00 C:2-150 Ubiquitin Conjugating Enzyme                                                                                                          CATH domains
           Pfam domains (1) ------UQ_con-1q34C01 C:8-145                                                                                                                    ----- Pfam domains (1)
           Pfam domains (2) ------UQ_con-1q34C02 C:8-145                                                                                                                    ----- Pfam domains (2)
           Pfam domains (3) ------UQ_con-1q34C03 C:8-145                                                                                                                    ----- Pfam domains (3)
         Sec.struct. author .hhhhhhhhhhhhhhhhh....eeeee......eeeeeee..........eeeeeee..........eeee................hhhhh.......hhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -----UBIQUITIN_CONJUGAT_2  PDB: C:7-139 UniProt: 7-139                                                                                    ----------- PROSITE (1)
                PROSITE (2) ---------------------------------------------------------------------------UBIQUITIN_CONJUG---------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1q34 C   2 TTPSRRRLMRDFKKLQEDPPAGVSGAPTEDNILTWEAIIFGPQETPFEDGTFKLSLEFTEEYPNKPPTVKFISKMFHPNVYADGSICLDILQNRWSPTYDVAAILTSIQSLLDEPNPNSPANSLAAQLYQENRREYEKRVQQIVEQSWL 150
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141         

   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  (1, 3)

Asymmetric Unit

(-) CATH Domains  (1, 3)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 3)

Asymmetric Unit
(-)
Clan: UBC (69)

(-) Gene Ontology  (17, 17)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C   (UBC1_CAEEL | P52478)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0003697    single-stranded DNA binding    Interacting selectively and non-covalently with single-stranded DNA.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
    GO:0061631    ubiquitin conjugating enzyme activity    Isoenergetic transfer of ubiquitin from one protein to another via the reaction X-ubiquitin + Y -> Y-ubiquitin + X, where both the X-ubiquitin and Y-ubiquitin linkages are thioester bonds between the C-terminal glycine of ubiquitin and a sulfhydryl side group of a cysteine residue.
    GO:0061630    ubiquitin protein ligase activity    Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
    GO:0031625    ubiquitin protein ligase binding    Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
biological process
    GO:0006281    DNA repair    The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
    GO:0016574    histone ubiquitination    The modification of histones by addition of ubiquitin groups.
    GO:0043161    proteasome-mediated ubiquitin-dependent protein catabolic process    The chemical reactions and pathways resulting in the breakdown of a protein or peptide by hydrolysis of its peptide bonds, initiated by the covalent attachment of ubiquitin, and mediated by the proteasome.
    GO:0000209    protein polyubiquitination    Addition of multiple ubiquitin groups to a protein, forming a ubiquitin chain.
    GO:0016567    protein ubiquitination    The process in which one or more ubiquitin groups are added to a protein.
cellular component
    GO:0033503    HULC complex    A ubiquitin-conjugating enzyme complex that contains two RING finger proteins, which have ubiquitin ligase activity, in addition to a protein with ubiquitin-conjugating enzyme activity; catalyzes the ubiquitination of histone H2B at lysine 119 (or the equivalent residue). In Schizosaccharomyces the subunits are Rhp1, Brl2/Rfp1 and Brl1/Rfp2.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0000790    nuclear chromatin    The ordered and organized complex of DNA, protein, and sometimes RNA, that forms the chromosome in the nucleus.
    GO:0031371    ubiquitin conjugating enzyme complex    Any complex that possesses ubiquitin conjugating enzyme activity.

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    Tyr A:63 - Pro A:64   [ RasMol ]  
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 Related Entries

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

UniProtKB/Swiss-Prot
        UBC1_CAEEL | P524781z3d

(-) Related Entries Specified in the PDB File

1pzv A SIMILAR PROTEIN (UBC-7) FROM C. ELEGANS RELATED ID: C35B1.1 RELATED DB: TARGETDB