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(-) Description

Title :  CRYSTAL STRUCTURE OF RNASE T IN COMPLEX WITH A PREFERRED SSDNA (AAT) WITH TWO MG IN THE ACTIVE SITE
 
Authors :  Y. -Y. Hsiao, H. S. Yuan
Date :  28 Dec 11  (Deposition) - 11 Jul 12  (Release) - 26 Jun 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A,B,C,D,E,F,G,H
Biol. Unit 1:  A,B,E,F  (1x)
Biol. Unit 2:  C,D,G,H  (1x)
Keywords :  Dedd Nucleases Family, Exo-Nucleases, Hydrolase-Dna Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  Y. -Y. Hsiao, Y. Duh, Y. P. Chen, Y. T. Wang, H. S. Yuan
How An Exonuclease Decides Where To Stop In Trimming Of Nucleic Acids: Crystal Structures Of Rnase T-Product Complexes
Nucleic Acids Res. V. 40 8144 2012
PubMed-ID: 22718982  |  Reference-DOI: 10.1093/NAR/GKS548

(-) Compounds

Molecule 1 - RIBONUCLEASE T
    ChainsA, B, C, D
    EC Number3.1.13.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21-CODONPLUS(DE3)-RIPL
    Expression System Taxid562
    MutationYES
    Organism ScientificESCHERICHIA COLI
    Organism Taxid83333
    StrainK-12
    SynonymEXORIBONUCLEASE T, RNASE T
 
Molecule 2 - DNA (5'-D(*TP*TP*AP*CP*AP*AP*T)-3')
    ChainsE, F, G, H
    EngineeredYES
    Other DetailsSYNTHETIC CONSTRUCT
    SyntheticYES

 Structural Features

(-) Chains, Units

  12345678
Asymmetric Unit ABCDEFGH
Biological Unit 1 (1x)AB  EF  
Biological Unit 2 (1x)  CD  GH

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 11)

Asymmetric Unit (2, 11)
No.NameCountTypeFull Name
1CO5Ligand/IonCOBALT (II) ION
2MG6Ligand/IonMAGNESIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1CO-1Ligand/IonCOBALT (II) ION
2MG-1Ligand/IonMAGNESIUM ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1CO-1Ligand/IonCOBALT (II) ION
2MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREASP A:23 , GLU A:25 , ASP A:186 , DT E:7BINDING SITE FOR RESIDUE MG A 301
02AC2SOFTWAREARG A:135 , HOH A:418BINDING SITE FOR RESIDUE CO A 302
03AC3SOFTWAREASP B:23 , GLU B:25 , ASP B:186 , DT F:7BINDING SITE FOR RESIDUE MG B 301
04AC4SOFTWAREARG B:135BINDING SITE FOR RESIDUE CO B 302
05AC5SOFTWAREGLU C:25 , HIS C:181 , ASP C:186 , DT G:7BINDING SITE FOR RESIDUE CO C 301
06AC6SOFTWAREGLU D:25 , HIS D:181 , ASP D:186 , DT H:7BINDING SITE FOR RESIDUE CO D 301
07AC7SOFTWAREGLY D:92 , ARG D:135BINDING SITE FOR RESIDUE CO D 302
08AC8SOFTWAREASP A:23 , HOH A:401 , HOH A:402 , HOH A:403 , DA E:6 , DT E:7BINDING SITE FOR RESIDUE MG E 101
09AC9SOFTWAREASP B:23 , HOH B:410 , HOH B:423 , HOH B:428 , DA F:6 , DT F:7BINDING SITE FOR RESIDUE MG F 101
10BC1SOFTWAREASP C:23 , HOH C:414 , HOH C:417 , HOH C:423 , DA G:6 , DT G:7BINDING SITE FOR RESIDUE MG G 101
11BC2SOFTWAREASP D:23 , HOH D:409 , HOH D:412 , HOH D:424 , DA H:6 , DT H:7BINDING SITE FOR RESIDUE MG H 101

(-) SS Bonds  (4, 4)

Asymmetric Unit
No.Residues
1A:11 -A:112
2B:11 -B:112
3C:11 -C:112
4D:11 -D:112

(-) Cis Peptide Bonds  (5, 5)

Asymmetric Unit
No.Residues
1Trp A:207 -Pro A:208
2Trp B:207 -Pro B:208
3Ala C:180 -His C:181
4Trp C:207 -Pro C:208
5Trp D:207 -Pro D:208

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3V9U)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3V9U)

(-) Exons   (0, 0)

(no "Exon" information available for 3V9U)

(-) 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:206
 aligned with RNT_ECOLI | P30014 from UniProtKB/Swiss-Prot  Length:215

    Alignment length:206
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203      
            RNT_ECOLI     4 NAQLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSEYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPL 209
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhh..eeeeeeeeee.........eeeeeeeeeee.....eeeeeeeeee.........hhhhhhhhh....hhhhh..hhhhhhhhhhhhhhhhhhh....eeeeee..hhhhhhhhhhhhhhhh.....eeeeeeeehhhhhhhhhh..hhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3v9u A   4 NAQLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSGYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPL 209
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203      

Chain B from PDB  Type:PROTEIN  Length:207
 aligned with RNT_ECOLI | P30014 from UniProtKB/Swiss-Prot  Length:215

    Alignment length:207
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       
            RNT_ECOLI     4 NAQLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSEYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPLS 210
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhh..eeeeeeeeee.........eeeeeeeeeee.....eeeeeeeeee.........hhhhhhhhh...........hhhhhhhhhhhhhhhhhh.....eeeeee..hhhhhhhhhhhhhhh......eeeeeeeehhhhhhhhhh..hhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3v9u B   4 NAQLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSGYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPLS 210
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       

Chain C from PDB  Type:PROTEIN  Length:207
 aligned with RNT_ECOLI | P30014 from UniProtKB/Swiss-Prot  Length:215

    Alignment length:207
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       
            RNT_ECOLI     6 QLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSEYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPLSAA 212
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhh..eeeeeeeeee.........eeeeeeeeeee.....eeeeeeeeee.........hhhhhhhhh....hhhhh..hhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhhhh......eeeeeeeehhhhhhhhhh..hhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhh........ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3v9u C   6 QLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSGYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPLSAA 212
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       

Chain D from PDB  Type:PROTEIN  Length:210
 aligned with RNT_ECOLI | P30014 from UniProtKB/Swiss-Prot  Length:215

    Alignment length:210
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213
            RNT_ECOLI     4 NAQLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSEYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPLSAAE 213
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....hhhhhh..eeeeeeeeee.........eeeeeeeeeee.....eeeeeeeeee.........hhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhh..eeeeee..hhhhhhhhhhhhhhhh.....eeeeeeeehhhhhhhhhh..hhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhh......... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3v9u D   4 NAQLTGLCDRFRGFYPVVIDVETAGFNAKTDALLEIAAITLKMDEQGWLMPDTTLHFHVEPFVGANLQPEALAFNGIDPNDPDRGAVSGYEALHEIFKVVRKGIKASGCNRAIMVAHNANFDHSFMMAAAERASLKRNPFHPFATFDTAALAGLALGQTVLSKACQTAGMDFDSTQAHSALYDTERTAVLFCEIVNRWKRLGGWPLSAAE 213
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213

Chain E from PDB  Type:DNA  Length:2
                                  
                 3v9u E   6 AT   7

Chain F from PDB  Type:DNA  Length:3
                                   
                 3v9u F   5 AAT   7

Chain G from PDB  Type:DNA  Length:3
                                   
                 3v9u G   5 AAT   7

Chain H from PDB  Type:DNA  Length:3
                                   
                 3v9u H   5 AAT   7

   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  (0, 0)

(no "SCOP Domain" information available for 3V9U)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3V9U)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3V9U)

(-) Gene Ontology  (14, 14)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (RNT_ECOLI | P30014)
molecular function
    GO:0004527    exonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by removing nucleotide residues from the 3' or 5' end.
    GO:0016896    exoribonuclease activity, producing 5'-phosphomonoesters    Catalysis of the hydrolysis of ester linkages within ribonucleic acids by removing nucleotide residues from the 3' or 5' end to yield 5' phosphomonoesters.
    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:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0004518    nuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids.
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
    GO:0004540    ribonuclease activity    Catalysis of the hydrolysis of phosphodiester bonds in chains of RNA.
biological process
    GO:0090501    RNA phosphodiester bond hydrolysis    The RNA metabolic process in which the phosphodiester bonds between ribonucleotides are cleaved by hydrolysis.
    GO:0090503    RNA phosphodiester bond hydrolysis, exonucleolytic    The chemical reactions and pathways involving the hydrolysis of terminal 3',5'-phosphodiester bonds in one or two strands of ribonucleotides.
    GO:0006396    RNA processing    Any process involved in the conversion of one or more primary RNA transcripts into one or more mature RNA molecules.
    GO:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
    GO:0008033    tRNA processing    The process in which a pre-tRNA molecule is converted to a mature tRNA, ready for addition of an aminoacyl group.
cellular component
    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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 Related Entries

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

UniProtKB/Swiss-Prot
        RNT_ECOLI | P300142is3 3ngy 3ngz 3nh0 3nh1 3nh2 3v9s 3v9w 3v9x 3v9z 3va0 3va3 4kaz 4kb0 4kb1

(-) Related Entries Specified in the PDB File

3ngy 3ngz 3nh0 3nh1 3nh2 3v9s 3v9w 3v9x 3v9z 3va0 3va3