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(-) Description

Title :  CRYSTAL STRUCTURE OF THE E. COLI ASPARTYL-TRNA SYNTHETASE:YEAST TRNAASP:ASPARTYL-ADENYLATE COMPLEX
 
Authors :  L. Moulinier, S. Eiler, G. Eriani, J. Gangloff, J. C. Thierry, K. Gabriel, W. H. Mcclain, D. Moras
Date :  07 May 01  (Deposition) - 28 Sep 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.60
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,C  (1x)
Biol. Unit 2:  B,D  (1x)
Keywords :  Protein-Rna Complex, Ligase/Rna Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Moulinier, S. Eiler, G. Eriani, J. Gangloff, J. C. Thierry, K. Gabriel, W. H. Mcclain, D. Moras
The Structure Of An Asprs-Trna(Asp) Complex Reveals A Trna-Dependent Control Mechanism.
Embo J. V. 20 5290 2001
PubMed-ID: 11566892  |  Reference-DOI: 10.1093/EMBOJ/20.18.5290
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ASPARTYL TRANSFER RNA
    Chains: C, D
    Organism Common: BAKER'S YEAST
    Organism Scientific: SACCHAROMYCES CEREVISIAE
    Organism Taxid: 4932
 
Molecule 2 - ASPARTYL-TRNA SYNTHETASE
    Chains: A, B
    EC Number: 6.1.1.12
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PBR322
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): A C 
Biological Unit 2 (1x):  B D

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (7, 20)

Asymmetric Unit (7, 20)
No.NameCountTypeFull Name
11MG2Mod. Nucleotide1N-METHYLGUANOSINE-5'-MONOPHOSPHATE
25MC2Mod. Nucleotide5-METHYLCYTIDINE-5'-MONOPHOSPHATE
35MU2Mod. Nucleotide5-METHYLURIDINE 5'-MONOPHOSPHATE
4AMO2Ligand/IonASPARTYL-ADENOSINE-5'-MONOPHOSPHATE
5H2U4Mod. Nucleotide5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE
6PSU6Mod. NucleotidePSEUDOURIDINE-5'-MONOPHOSPHATE
7SO42Ligand/IonSULFATE ION
Biological Unit 1 (7, 10)
No.NameCountTypeFull Name
11MG1Mod. Nucleotide1N-METHYLGUANOSINE-5'-MONOPHOSPHATE
25MC1Mod. Nucleotide5-METHYLCYTIDINE-5'-MONOPHOSPHATE
35MU1Mod. Nucleotide5-METHYLURIDINE 5'-MONOPHOSPHATE
4AMO1Ligand/IonASPARTYL-ADENOSINE-5'-MONOPHOSPHATE
5H2U2Mod. Nucleotide5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE
6PSU3Mod. NucleotidePSEUDOURIDINE-5'-MONOPHOSPHATE
7SO41Ligand/IonSULFATE ION
Biological Unit 2 (7, 10)
No.NameCountTypeFull Name
11MG1Mod. Nucleotide1N-METHYLGUANOSINE-5'-MONOPHOSPHATE
25MC1Mod. Nucleotide5-METHYLCYTIDINE-5'-MONOPHOSPHATE
35MU1Mod. Nucleotide5-METHYLURIDINE 5'-MONOPHOSPHATE
4AMO1Ligand/IonASPARTYL-ADENOSINE-5'-MONOPHOSPHATE
5H2U2Mod. Nucleotide5,6-DIHYDROURIDINE-5'-MONOPHOSPHATE
6PSU3Mod. NucleotidePSEUDOURIDINE-5'-MONOPHOSPHATE
7SO41Ligand/IonSULFATE ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:225 , GLU A:482 , ARG A:537 , AMO A:831 , C C:975 , A C:976BINDING SITE FOR RESIDUE SO4 C 701
2AC2SOFTWAREARG B:1222 , ARG B:1225 , GLU B:1482 , ARG B:1537 , HOH B:2093 , HOH B:2097BINDING SITE FOR RESIDUE SO4 B 1701
3AC3SOFTWAREGLU A:171 , SER A:193 , GLN A:195 , LYS A:198 , ARG A:217 , ASP A:224 , ARG A:225 , GLN A:226 , PHE A:229 , GLN A:231 , HIS A:448 , HIS A:449 , GLU A:482 , VAL A:483 , GLY A:484 , GLY A:485 , ARG A:489 , GLY A:530 , LEU A:531 , ALA A:532 , GLY A:534 , ARG A:537 , HOH A:2328 , HOH A:2339 , SO4 C:701 , A C:976BINDING SITE FOR RESIDUE AMO A 831
4AC4SOFTWAREGLU B:1171 , SER B:1193 , GLN B:1195 , LYS B:1198 , ARG B:1217 , GLU B:1219 , ASP B:1224 , ARG B:1225 , GLN B:1226 , PHE B:1229 , GLN B:1231 , HIS B:1448 , HIS B:1449 , GLU B:1482 , VAL B:1483 , GLY B:1484 , GLY B:1485 , GLY B:1486 , ARG B:1489 , GLY B:1530 , LEU B:1531 , ALA B:1532 , GLY B:1534 , ARG B:1537 , HOH B:2009 , HOH B:2015 , HOH B:2097 , HOH B:2398BINDING SITE FOR RESIDUE AMO B 1831

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1IL2)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Ala A:567 -Pro A:568

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1IL2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1IL2)

(-) Exons   (0, 0)

(no "Exon" information available for 1IL2)

(-) 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:585
 aligned with SYD_ECOLI | P21889 from UniProtKB/Swiss-Prot  Length:590

    Alignment length:585
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580     
           SYD_ECOLI      1 MRTEYCGQLRLSHVGQQVTLCGWVNRRRDLGSLIFIDMRDREGIVQVFFDPDRADALKLASELRNEFCIQVTGTVRARDEKNINRDMATGEIEVLASSLTIINRADVLPLDSNHVNTEEARLKYRYLDLRRPEMAQRLKTRAKITSLVRRFMDDHGFLDIETPMLTKATPEGARDYLVPSRVHKGKFYALPQSPQLFKQLLMMSGFDRYYQIVKCFRDEDLRADRQPEFTQIDVETSFMTAPQVREVMEALVRHLWLEVKGVDLGDFPVMTFAEAERRYGSDKPDLRNPMELTDVADLLKSVEFAVFAGPANDPKGRVAALRVPGGASLTRKQIDEYGNFVKIYGAKGLAYIKVNERAKGLEGINSPVAKFLNAEIIEDILDRTAAQDGDMIFFGADNKKIVADAMGALRLKVGKDLGLTDESKWAPLWVIDFPMFEDDGEGGLTAMHHPFTSPKDMTAAELKAAPENAVANAYDMVINGYEVGGGSVRIHNGDMQQTVFGILGINEEEQREKFGFLLDALKYGTPPHAGLAFGLDRLTMLLTGTDNIRDVIAFPKTTAAACLMTEAPSFANPTALAELSIQVVK  585
               SCOP domains d1il2a1 A:1-106 Aspartyl-tRNA synthetase (AspRS)                                                          d1il2a3 A:107-287,A:421-585 Aspartyl-tRNA synthetase (AspRS)                                                                                                                         d1il2a2 A:288-420 Prokaryotic AspRS, insert domain                                                                                   d1il2a3 A:107-287,A:421-585 Aspartyl-tRNA synthetase (AspRS)                                                                                                          SCOP domains
               CATH domains 1il2A01 A:1-106 Nucleic acid-binding proteins                                                             --1il2A02 A:109-270,A:421-585 Bira Bifunctional Protein; Domain 2                                                                                                   1il2A03 A:271-420  [code=3.30.1360.30, no name defined]                                                                                               1il2A02 A:109-270,A:421-585 Bira Bifunctional Protein; Domain 2                                                                                                       CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhh..eeeeeeeeeeeeee..eeeeeeee..eeeeeee...hhhhhhhhhhh....eeeeeeeeee.hhhhh........eeeeeeeeeeee.............hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..ee.................eee......eeee....hhhhhhhhhhh...eeeeeeeee...........eeeeeeeeee..hhhhhhhhhhhhhhhhhhhhh........eeehhhhhhhhh...........eee.hhhhh...hhhhhhhhh...eeeeeeee.hhhhh..hhhhhhhhhhhhhh.......ee.hhhhhhh.ee.......hhhhhhhhhhhhh.....eeeeeeeehhhhhhhhhhhhhhhhhhh.........eeeee....eee.....eee...........hhhhhh.........eeeeee..eeeeeeee...hhhhhhhhhhhh..hhhhhhhhhhhhhhhh......eeeeeeehhhhhhhhhh..hhhhhh................ee.hhhhhhhh.eee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1il2 A    1 MRTEYCGQLRLSHVGQQVTLCGWVNRRRDLGSLIFIDMRDREGIVQVFFDPDRADALKLASELRNEFCIQVTGTVRARDEKNINRDMATGEIEVLASSLTIINRADVLPLDSNHVNTEEARLKYRYLDLRRPEMAQRLKTRAKITSLVRRFMDDHGFLDIETPMLTKATPEGARDYLVPSRVHKGKFYALPQSPQLFKQLLMMSGFDRYYQIVKCFRDEDLRADRQPEFTQIDVETSFMTAPQVREVMEALVRHLWLEVKGVDLGDFPVMTFAEAERRYGSDKPDLRNPMELTDVADLLKSVEFAVFAGPANDPKGRVAALRVPGGASLTRKQIDEYGNFVKIYGAKGLAYIKVNERAKGLEGINSPVAKFLNAEIIEDILDRTAAQDGDMIFFGADNKKIVADAMGALRLKVGKDLGLTDESKWAPLWVIDFPMFEDDGEGGLTAMHHPFTSPKDMTAAELKAAPENAVANAYDMVINGYEVGGGSVRIHNGDMQQTVFGILGINEEEQREKFGFLLDALKYGTPPHAGLAFGLDRLTMLLTGTDNIRDVIAFPKTTAAACLMTEAPSFANPTALAELSIQVVK  585
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580     


Chain B from PDB  Type:PROTEIN  Length:585
 aligned with SYD_ECOLI | P21889 from UniProtKB/Swiss-Prot  Length:590

    Alignment length:585
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530       540       550       560       570       580     
           SYD_ECOLI      1 MRTEYCGQLRLSHVGQQVTLCGWVNRRRDLGSLIFIDMRDREGIVQVFFDPDRADALKLASELRNEFCIQVTGTVRARDEKNINRDMATGEIEVLASSLTIINRADVLPLDSNHVNTEEARLKYRYLDLRRPEMAQRLKTRAKITSLVRRFMDDHGFLDIETPMLTKATPEGARDYLVPSRVHKGKFYALPQSPQLFKQLLMMSGFDRYYQIVKCFRDEDLRADRQPEFTQIDVETSFMTAPQVREVMEALVRHLWLEVKGVDLGDFPVMTFAEAERRYGSDKPDLRNPMELTDVADLLKSVEFAVFAGPANDPKGRVAALRVPGGASLTRKQIDEYGNFVKIYGAKGLAYIKVNERAKGLEGINSPVAKFLNAEIIEDILDRTAAQDGDMIFFGADNKKIVADAMGALRLKVGKDLGLTDESKWAPLWVIDFPMFEDDGEGGLTAMHHPFTSPKDMTAAELKAAPENAVANAYDMVINGYEVGGGSVRIHNGDMQQTVFGILGINEEEQREKFGFLLDALKYGTPPHAGLAFGLDRLTMLLTGTDNIRDVIAFPKTTAAACLMTEAPSFANPTALAELSIQVVK  585
               SCOP domains d1il2b1 B:1001-1106 Aspartyl-tRNA synthetase (AspRS)                                                      d1il2b3 B:1107-1287,B:1421-1585 Aspartyl-tRNA synthetase (AspRS)                                                                                                                     d1il2b2 B:1288-1420 Prokaryotic AspRS, insert domain                                                                                 d1il2b3 B:1107-1287,B:1421-1585 Aspartyl-tRNA synthetase (AspRS)                                                                                                      SCOP domains
               CATH domains 1il2B01 B:1001-1106 Nucleic acid-binding proteins                                                         --1il2B02 B:1109-1270,B:1421-1585 Bira Bifunctional Protein; Domain 2                                                                                               1il2B03 B:1271-1420  [code=3.30.1360.30, no name defined]                                                                                             1il2B02 B:1109-1270,B:1421-1585 Bira Bifunctional Protein; Domain 2                                                                                                   CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhh..eeeeeeeeeeeee....eeeeeee..eeeeeee...hhhhhhhhh......eeeeeeeeee.hhhhh........eeeeeeeeeeee.............hhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhh..ee.................eee......eeee....hhhhhhhhhhh...eeeeeeeee...........eeeeeeeeee..hhhhhhhhhhhhhhhhhhhhhh.......eeehhhhhhhhh...........eee.hhhh....hhhhhhhhhh..eeeeeeee.hhhhhhhhhhhhhhhhhhhh.....eeeee.hhhhhhhhee.......hhhhhhhhhhhhh.....eeeeeeeehhhhhhhhhhhhhhhhhhh.........eeeee....eee.....eee...........hhhhhhhh.......eeeeee..eeeeeeee...hhhhhhhhhhhhh.hhhhhhhhhhhhhhhh......eeeeeeehhhhhhhhh...hhhhh.................ee.hhhhhhhh.eee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                1il2 B 1001 MRTEYCGQLRLSHVGQQVTLCGWVNRRRDLGSLIFIDMRDREGIVQVFFDPDRADALKLASELRNEFCIQVTGTVRARDEKNINRDMATGEIEVLASSLTIINRADVLPLDSNHVNTEEARLKYRYLDLRRPEMAQRLKTRAKITSLVRRFMDDHGFLDIETPMLTKATPEGARDYLVPSRVHKGKFYALPQSPQLFKQLLMMSGFDRYYQIVKCFRDEDLRADRQPEFTQIDVETSFMTAPQVREVMEALVRHLWLEVKGVDLGDFPVMTFAEAERRYGSDKPDLRNPMELTDVADLLKSVEFAVFAGPANDPKGRVAALRVPGGASLTRKQIDEYGNFVKIYGAKGLAYIKVNERAKGLEGINSPVAKFLNAEIIEDILDRTAAQDGDMIFFGADNKKIVADAMGALRLKVGKDLGLTDESKWAPLWVIDFPMFEDDGEGGLTAMHHPFTSPKDMTAAELKAAPENAVANAYDMVINGYEVGGGSVRIHNGDMQQTVFGILGINEEEQREKFGFLLDALKYGTPPHAGLAFGLDRLTMLLTGTDNIRDVIAFPKTTAAACLMTEAPSFANPTALAELSIQVVK 1585
                                  1010      1020      1030      1040      1050      1060      1070      1080      1090      1100      1110      1120      1130      1140      1150      1160      1170      1180      1190      1200      1210      1220      1230      1240      1250      1260      1270      1280      1290      1300      1310      1320      1330      1340      1350      1360      1370      1380      1390      1400      1410      1420      1430      1440      1450      1460      1470      1480      1490      1500      1510      1520      1530      1540      1550      1560      1570      1580     


Chain C from PDB  Type:RNA  Length:75
                                                                                                            
                1il2 C  901 UCCGUGAUAGUUuAAuGGuCAGAAUGGGCGCuUGUCgCGUGCCAGAUcGGGGuuCAAUUCCCCGUCGCGGAGCCA  976
                                   910  |  | 920       930 |    |940     ||951  ||   961       971     
                                      913-PSU |          932-PSU|      946||    ||                     
                                         916-H2U              937-1MG   948|    ||                     
                                            919-H2U                      949-5MC||                     
                                                                              954-5MU                  
                                                                               955-PSU                 


Chain D from PDB  Type:RNA  Length:70
                                                                                                       
                1il2 D 1902 CCGUGAUAGUUuAAuGGuCAGAAUGGGCGCuUGUCgCGUGCCAGAUcGGGGuuCAAUUCCCCGUCGCGGA 1972
                                  1911 |  | 1921      1931|    |1941    ||1952 ||   1962      1972
                                    1913-PSU |         1932-PSU|     1946||    ||                 
                                       1916-H2U             1937-1MG  1948|    ||                 
                                          1919-H2U                     1949-5MC||                 
                                                                            1954-5MU              
                                                                             1955-PSU
   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
(-)
Class: All beta proteins (24004)
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (3, 6)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1IL2)

(-) Gene Ontology  (11, 11)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (SYD_ECOLI | P21889)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0004812    aminoacyl-tRNA ligase activity    Catalysis of the formation of aminoacyl-tRNA from ATP, amino acid, and tRNA with the release of diphosphate and AMP.
    GO:0004815    aspartate-tRNA ligase activity    Catalysis of the reaction: ATP + L-aspartate + tRNA(Asp) = AMP + diphosphate + L-aspartyl-tRNA(Asp).
    GO:0016874    ligase activity    Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
    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.
biological process
    GO:0006422    aspartyl-tRNA aminoacylation    The process of coupling aspartate to aspartyl-tRNA, catalyzed by aspartyl-tRNA synthetase. In tRNA aminoacylation, the amino acid is first activated by linkage to AMP and then transferred to either the 2'- or the 3'-hydroxyl group of the 3'-adenosine residue of the tRNA.
    GO:0006418    tRNA aminoacylation for protein translation    The synthesis of aminoacyl tRNA by the formation of an ester bond between the 3'-hydroxyl group of the most 3' adenosine of the tRNA, to be used in ribosome-mediated polypeptide synthesis.
    GO:0006412    translation    The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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

UniProtKB/Swiss-Prot
        SYD_ECOLI | P21889: 1c0a 1eqr

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 1IL2)