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(-) Description

Title :  TAILORING ENZYME STABILITY AND EXPLOITING STABILITY-TRAIT LINKAGE BY ITERATIVE TRUNCATION AND OPTIMIZATION
 
Authors :  H. K. Tam, O. Einsle
Date :  05 Sep 11  (Deposition) - 16 May 12  (Release) - 05 Sep 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Speck, J. Hecky, H. K. Tam, K. M. Arndt, O. Einsle, K. M. Muller
Exploring The Molecular Linkage Of Protein Stability Traits For Enzyme Optimization By Iterative Truncation And Evolution.
Biochemistry V. 51 4850 2012
PubMed-ID: 22545913  |  Reference-DOI: 10.1021/BI2018738

(-) Compounds

Molecule 1 - AMPICILLIN RESISTANCE PROTEIN
    ChainsA, B
    EC Number3.5.2.6
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPJH_BLASS
    Expression System StrainRV308
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentUNP RESIDUES 39-283
    GeneBLA, BLATEM-116
    MutationYES
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    SynonymBETA-LACTAMASE, BETALACTAMASE TEM-116, EXTENDED SPECTRUM BETA-LACTAMASE, MUTANT EXTENDED-SPECTRUM BETA-LACTAMASE, TEM EXTENDED SPECTRUM BETA-LACTAMASE

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (1x)A 
Biological Unit 2 (1x) B

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3TOI)

(-) Sites  (0, 0)

(no "Site" information available for 3TOI)

(-) SS Bonds  (2, 2)

Asymmetric Unit
No.Residues
1A:123 -A:77
2B:123 -B:77

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Glu A:166 -Pro A:167
2Glu B:166 -Pro B:167

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (9, 18)

Asymmetric Unit (9, 18)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_BLAT_ECOLX_003 *M67LBLAT_ECOLX  ---  ---A/BM69L
2UniProtVAR_BLAT_ECOLX_004 *E102KBLAT_ECOLX  ---  ---A/BE104K
3UniProtVAR_BLAT_ECOLX_005 *R162HBLAT_ECOLX  ---  ---A/BR164H
4UniProtVAR_BLAT_ECOLX_006 *R162SBLAT_ECOLX  ---  ---A/BR164S
5UniProtVAR_BLAT_ECOLX_007 *A235TBLAT_ECOLX  ---  ---A/BA237T
6UniProtVAR_BLAT_ECOLX_008 *G236SBLAT_ECOLX  ---  ---A/BG238S
7UniProtVAR_BLAT_ECOLX_009 *E237KBLAT_ECOLX  ---  ---A/BE240K
8UniProtVAR_BLAT_ECOLX_010 *T261MBLAT_ECOLX  ---  ---A/BM265M
9UniProtVAR_BLAT_ECOLX_011 *N272DBLAT_ECOLX  ---  ---A/BN276D
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (9, 9)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_BLAT_ECOLX_003 *M67LBLAT_ECOLX  ---  ---AM69L
2UniProtVAR_BLAT_ECOLX_004 *E102KBLAT_ECOLX  ---  ---AE104K
3UniProtVAR_BLAT_ECOLX_005 *R162HBLAT_ECOLX  ---  ---AR164H
4UniProtVAR_BLAT_ECOLX_006 *R162SBLAT_ECOLX  ---  ---AR164S
5UniProtVAR_BLAT_ECOLX_007 *A235TBLAT_ECOLX  ---  ---AA237T
6UniProtVAR_BLAT_ECOLX_008 *G236SBLAT_ECOLX  ---  ---AG238S
7UniProtVAR_BLAT_ECOLX_009 *E237KBLAT_ECOLX  ---  ---AE240K
8UniProtVAR_BLAT_ECOLX_010 *T261MBLAT_ECOLX  ---  ---AM265M
9UniProtVAR_BLAT_ECOLX_011 *N272DBLAT_ECOLX  ---  ---AN276D
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 2 (9, 9)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_BLAT_ECOLX_003 *M67LBLAT_ECOLX  ---  ---BM69L
2UniProtVAR_BLAT_ECOLX_004 *E102KBLAT_ECOLX  ---  ---BE104K
3UniProtVAR_BLAT_ECOLX_005 *R162HBLAT_ECOLX  ---  ---BR164H
4UniProtVAR_BLAT_ECOLX_006 *R162SBLAT_ECOLX  ---  ---BR164S
5UniProtVAR_BLAT_ECOLX_007 *A235TBLAT_ECOLX  ---  ---BA237T
6UniProtVAR_BLAT_ECOLX_008 *G236SBLAT_ECOLX  ---  ---BG238S
7UniProtVAR_BLAT_ECOLX_009 *E237KBLAT_ECOLX  ---  ---BE240K
8UniProtVAR_BLAT_ECOLX_010 *T261MBLAT_ECOLX  ---  ---BM265M
9UniProtVAR_BLAT_ECOLX_011 *N272DBLAT_ECOLX  ---  ---BN276D
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_APS00146 Beta-lactamase class-A active site.BLAT_ECOLX64-79
 
  2A:66-81
B:66-81
Biological Unit 1 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_APS00146 Beta-lactamase class-A active site.BLAT_ECOLX64-79
 
  1A:66-81
-
Biological Unit 2 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1BETA_LACTAMASE_APS00146 Beta-lactamase class-A active site.BLAT_ECOLX64-79
 
  1-
B:66-81

(-) Exons   (0, 0)

(no "Exon" information available for 3TOI)

(-) 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:248
 aligned with BLAT_ECOLX | P62593 from UniProtKB/Swiss-Prot  Length:286

    Alignment length:248
                                    47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277        
           BLAT_ECOLX    38 LGARVGYIELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGASLIKH 285
               SCOP domains d3toia_ A: automated matches                                                                                                                                                                                                                             SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeee.....eeeee.....ee...hhhhhhhhhhhhhhhh.......ee..hhhhh.....hhhhh....eehhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhhh...hhhhhhhhhhhhhh......hhhhh.....eeeeeeeee...eeeeeeeee......eeeeeeee....hhhhhhhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) -----------------------------L----------------------------------K-----------------------------------------------------------H------------------------------------------------------------------------TSK-----------------------M----------D------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ----------------------------------------------------------------------------------------------------------------------------S--------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE --------------------------BETA_LACTAMASE_A-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3toi A  40 GGARVGYIELDLNSGKVLESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVGELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTTPVAMATTLRKLLSGELLTLASRQQLMDWMEADKVAGPLLRSVLPAGWFIADKSGAGEHGSRGIIAALGPDGKPSRIVVIYMTGSQATMDERNRQIAEIGASLIGG 289
                                    49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       240       250 ||    261       271       281        
                                                                                                                                                                                                                                238|         252|                                   
                                                                                                                                                                                                                                 240          254                                   

Chain A from PDB  Type:PROTEIN  Length:248
 aligned with Q79DR3_ECOLX | Q79DR3 from UniProtKB/TrEMBL  Length:286

    Alignment length:248
                                    47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217       227       237       247       257       267       277        
         Q79DR3_ECOLX    38 LGARVGYIELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGASLIKH 285
               SCOP domains d3toia_ A: automated matches                                                                                                                                                                                                                             SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeee.....eeeee.....ee...hhhhhhhhhhhhhhhh.......ee..hhhhh.....hhhhh....eehhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhhh...hhhhhhhhhhhhhh......hhhhh.....eeeeeeeee...eeeeeeeee......eeeeeeee....hhhhhhhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) -----------------------------L----------------------------------K-----------------------------------------------------------H------------------------------------------------------------------------TSK-----------------------M----------D------------- SAPs(SNPs) (1)
             SAPs(SNPs) (2) ----------------------------------------------------------------------------------------------------------------------------S--------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3toi A  40 GGARVGYIELDLNSGKVLESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVGELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTTPVAMATTLRKLLSGELLTLASRQQLMDWMEADKVAGPLLRSVLPAGWFIADKSGAGEHGSRGIIAALGPDGKPSRIVVIYMTGSQATMDERNRQIAEIGASLIGG 289
                                    49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       240       250 ||    261       271       281        
                                                                                                                                                                                                                                238|         252|                                   
                                                                                                                                                                                                                                 240          254                                   

Chain B from PDB  Type:PROTEIN  Length:245
 aligned with BLAT_ECOLX | P62593 from UniProtKB/Swiss-Prot  Length:286

    Alignment length:245
                                    49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279     
           BLAT_ECOLX    40 ARVGYIELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRVDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTMPAAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGASLIK 284
               SCOP domains d3toib_ B: automated matches                                                                                                                                                                                                                          SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee.....eeeee.....ee...hhhhhhhhhhhhhhhh.......ee..hhhhh.....hhhhh....eehhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhhh...hhhhhhhhhhhhhh......hhhhhh....eeeeeeeee...eeeeeeeee......eeeeeeee....hhhhhhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) ---------------------------L----------------------------------K-----------------------------------------------------------H------------------------------------------------------------------------TSK-----------------------M----------D------------ SAPs(SNPs) (1)
             SAPs(SNPs) (2) --------------------------------------------------------------------------------------------------------------------------S-------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE ------------------------BETA_LACTAMASE_A------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3toi B  42 ARVGYIELDLNSGKVLESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVGELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTTPVAMATTLRKLLSGELLTLASRQQLMDWMEADKVAGPLLRSVLPAGWFIADKSGAGEHGSRGIIAALGPDGKPSRIVVIYMTGSQATMDERNRQIAEIGASLIG 288
                                    51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231      |242       252|      263       273       283     
                                                                                                                                                                                                                              238|         252|                                  
                                                                                                                                                                                                                               240          254                                  

Chain B from PDB  Type:PROTEIN  Length:245
 aligned with Q79DR3_ECOLX | Q79DR3 from UniProtKB/TrEMBL  Length:286

    Alignment length:245
                                    49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279     
         Q79DR3_ECOLX    40 ARVGYIELDLNSGKILESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVRELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTMPVAMATTLRKLLTGELLTLASRQQLIDWMEADKVAGPLLRSALPAGWFIADKSGAGERGSRGIIAALGPDGKPSRIVVIYTTGSQATMDERNRQIAEIGASLIK 284
               SCOP domains d3toib_ B: automated matches                                                                                                                                                                                                                          SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeee.....eeeee.....ee...hhhhhhhhhhhhhhhh.......ee..hhhhh.....hhhhh....eehhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh...........hhhhh........eehhhhhhhhhhhhhhh...hhhhhhhhhhhhhh......hhhhhh....eeeeeeeee...eeeeeeeee......eeeeeeee....hhhhhhhhhhhhhhhhhh Sec.struct. author
             SAPs(SNPs) (1) ---------------------------L----------------------------------K-----------------------------------------------------------H------------------------------------------------------------------------TSK-----------------------M----------D------------ SAPs(SNPs) (1)
             SAPs(SNPs) (2) --------------------------------------------------------------------------------------------------------------------------S-------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs) (2)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3toi B  42 ARVGYIELDLNSGKVLESFRPEERFPMMSTFKVLLCGAVLSRIDAGQEQLGRRIHYSQNDLVEYSPVTEKHLTDGMTVGELCSAAITMSDNTAANLLLTTIGGPKELTAFLHNMGDHVTRLDRWEPELNEAIPNDERDTTTPVAMATTLRKLLSGELLTLASRQQLMDWMEADKVAGPLLRSVLPAGWFIADKSGAGEHGSRGIIAALGPDGKPSRIVVIYMTGSQATMDERNRQIAEIGASLIG 288
                                    51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231      |242       252|      263       273       283     
                                                                                                                                                                                                                              238|         252|                                  
                                                                                                                                                                                                                               240          254                                  

   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, 2)

Asymmetric Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3TOI)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (5, 9)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q79DR3_ECOLX | Q79DR3)
molecular function
    GO:0008800    beta-lactamase activity    Catalysis of the reaction: a beta-lactam + H2O = a substituted beta-amino acid.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
biological process
    GO:0030655    beta-lactam antibiotic catabolic process    The chemical reactions and pathways resulting in the breakdown of a beta-lactam antibiotic, any member of a class of natural or semisynthetic antibiotics whose characteristic feature is a strained, four-membered beta-lactam ring. They include the penicillins and many of the cephalosporins.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.

Chain A,B   (BLAT_ECOLX | P62593)
molecular function
    GO:0008800    beta-lactamase activity    Catalysis of the reaction: a beta-lactam + H2O = a substituted beta-amino acid.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    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).
biological process
    GO:0030655    beta-lactam antibiotic catabolic process    The chemical reactions and pathways resulting in the breakdown of a beta-lactam antibiotic, any member of a class of natural or semisynthetic antibiotics whose characteristic feature is a strained, four-membered beta-lactam ring. They include the penicillins and many of the cephalosporins.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.

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 Related Entries

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

UniProtKB/Swiss-Prot
        BLAT_ECOLX | P625931axb 1bt5 1btl 1ck3 1erm 1ero 1erq 1esu 1fqg 1jtd 1jtg 1jvj 1jwp 1jwv 1jwz 1lhy 1li0 1li9 1m40 1nxy 1ny0 1nym 1nyy 1pzo 1pzp 1s0w 1tem 1xpb 1xxm 1yt4 1zg4 1zg6 2b5r 2v1z 2v20 3c7u 3c7v 3cmz 3dtm 3jyi 4dxb 4dxc 4gku 4ibr 4ibx 4id4 4mez 4qy5 4qy6 4r4r 4r4s 4rva 4rx2 4rx3 4zj1 4zj2 4zj3 5hvi 5hw1 5hw5 5i52 5i63 5iq8 5kkf
        Q79DR3_ECOLX | Q79DR33c7u 3c7v 3dtm
UniProtKB/TrEMBL
        Q79DR3_ECOLX | Q79DR34oqg

(-) Related Entries Specified in the PDB File

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