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(-) Description

Title :  CRYSTAL STRUCTURE OF MN(II)-COMPLEX OF RNASE III ENDONUCLEASE DOMAIN FROM AQUIFEX AEOLICUS AT 2.10 ANGSTROM RESOLUTION
 
Authors :  J. Blaszczyk, X. Ji
Date :  22 Jun 01  (Deposition) - 19 Dec 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  C,D  (1x)
Keywords :  Ribonuclease, Rnase Iii, Double-Stranded Rna, Rna Interference, Endonuclease Domain, Endonucleolytic Cleavage, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Blaszczyk, J. E. Tropea, M. Bubunenko, K. M. Routzahn, D. S. Waugh, D. L. Court, X. Ji
Crystallographic And Modeling Studies Of Rnase Iii Suggest A Mechanism For Double-Stranded Rna Cleavage.
Structure V. 9 1225 2001
PubMed-ID: 11738048  |  Reference-DOI: 10.1016/S0969-2126(01)00685-2
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - RIBONUCLEASE III
    ChainsA, B, C, D
    EC Number3.1.26.3
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPKM803
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentN-TERMINAL ENDONUCLEASE DOMAIN
    Organism ScientificAQUIFEX AEOLICUS
    Organism Taxid63363
    SynonymRNASE III

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit ABCD
Biological Unit 1 (1x)AB  
Biological Unit 2 (1x)  CD

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 4)
No.NameCountTypeFull Name
1MN4Ligand/IonMANGANESE (II) ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1MN-1Ligand/IonMANGANESE (II) ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1MN-1Ligand/IonMANGANESE (II) ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLU A:40 , ASP A:107 , GLU A:110 , HOH A:1004 , HOH A:1056 , HOH A:1137BINDING SITE FOR RESIDUE MN A 761
2AC2SOFTWAREGLU B:240 , ASP B:307 , GLU B:310 , HOH B:1007 , HOH B:1246 , HOH B:1325BINDING SITE FOR RESIDUE MN B 762
3AC3SOFTWAREGLU C:440 , ASP C:507 , GLU C:510 , HOH C:1008 , HOH C:1015 , HOH C:1039BINDING SITE FOR RESIDUE MN C 763
4AC4SOFTWAREGLU D:640 , ASP D:707 , GLU D:710 , HOH D:1124 , HOH D:1308 , HOH D:1311BINDING SITE FOR RESIDUE MN D 764

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1JFZ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (2, 8)

Asymmetric Unit (2, 8)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RNASE_3_2PS50142 Ribonuclease III family domain profile.RNC_AQUAE4-121
 
 
 
  4A:4-121
B:204-321
C:404-521
D:604-721
2RNASE_3_1PS00517 Ribonuclease III family signature.RNC_AQUAE37-45
 
 
 
  4A:37-45
B:237-245
C:437-445
D:637-645
Biological Unit 1 (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RNASE_3_2PS50142 Ribonuclease III family domain profile.RNC_AQUAE4-121
 
 
 
  2A:4-121
B:204-321
-
-
2RNASE_3_1PS00517 Ribonuclease III family signature.RNC_AQUAE37-45
 
 
 
  2A:37-45
B:237-245
-
-
Biological Unit 2 (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RNASE_3_2PS50142 Ribonuclease III family domain profile.RNC_AQUAE4-121
 
 
 
  2-
-
C:404-521
D:604-721
2RNASE_3_1PS00517 Ribonuclease III family signature.RNC_AQUAE37-45
 
 
 
  2-
-
C:437-445
D:637-645

(-) Exons   (0, 0)

(no "Exon" information available for 1JFZ)

(-) 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:148
 aligned with RNC_AQUAE | O67082 from UniProtKB/Swiss-Prot  Length:221

    Alignment length:148
                             1                                                                                                                                                  
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139        
            RNC_AQUAE     - -MKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGR 147
               SCOP domains d1jfza_ A: RNase III endonuclease catalytic domain                                                                                                   SCOP domains
               CATH domains 1jfzA00 A:0-147  [code=1.10.1520.10, no name defined]                                                                                                CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhh....hhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----RNASE_3_2  PDB: A:4-121 UniProt: 4-121                                                                                -------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------RNASE_3_1------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jfz A   0 GMKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGR 147
                                     9        19        29        39        49        59        69        79        89        99       109       119       129       139        

Chain B from PDB  Type:PROTEIN  Length:149
 aligned with RNC_AQUAE | O67082 from UniProtKB/Swiss-Prot  Length:221

    Alignment length:149
                             1                                                                                                                                                   
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139         
            RNC_AQUAE     - -MKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGRV 148
               SCOP domains d1jfzb_ B: RNase III endonuclease catalytic domain                                                                                                    SCOP domains
               CATH domains 1jfzB00 B:200-348  [code=1.10.1520.10, no name defined]                                                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhh....hhhhhhhhh..........hhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh..hhhhhh.......hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----RNASE_3_2  PDB: B:204-321 UniProt: 4-121                                                                              --------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------RNASE_3_1------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jfz B 200 GMKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGRH 348
                                   209       219       229       239       249       259       269       279       289       299       309       319       329       339         

Chain C from PDB  Type:PROTEIN  Length:149
 aligned with RNC_AQUAE | O67082 from UniProtKB/Swiss-Prot  Length:221

    Alignment length:149
                             1                                                                                                                                                   
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139         
            RNC_AQUAE     - -MKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGRV 148
               SCOP domains d1jfzc_ C: RNase III endonuclease catalytic domain                                                                                                    SCOP domains
               CATH domains 1jfzC00 C:400-548  [code=1.10.1520.10, no name defined]                                                                                               CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhh....hhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----RNASE_3_2  PDB: C:404-521 UniProt: 4-121                                                                              --------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------RNASE_3_1------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jfz C 400 GMKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGRH 548
                                   409       419       429       439       449       459       469       479       489       499       509       519       529       539         

Chain D from PDB  Type:PROTEIN  Length:148
 aligned with RNC_AQUAE | O67082 from UniProtKB/Swiss-Prot  Length:221

    Alignment length:148
                             1                                                                                                                                                  
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139        
            RNC_AQUAE     - -MKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGR 147
               SCOP domains d1jfzd_ D: RNase III endonuclease catalytic domain                                                                                                   SCOP domains
               CATH domains 1jfzD00 D:600-747  [code=1.10.1520.10, no name defined]                                                                                              CATH domains
           Pfam domains (1) -------------------------------------Ribonuclease_3-1jfzD01 D:637-721                                                     -------------------------- Pfam domains (1)
           Pfam domains (2) -------------------------------------Ribonuclease_3-1jfzD02 D:637-721                                                     -------------------------- Pfam domains (2)
           Pfam domains (3) -------------------------------------Ribonuclease_3-1jfzD03 D:637-721                                                     -------------------------- Pfam domains (3)
           Pfam domains (4) -------------------------------------Ribonuclease_3-1jfzD04 D:637-721                                                     -------------------------- Pfam domains (4)
         Sec.struct. author ......hhhhhhh....hhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----RNASE_3_2  PDB: D:604-721 UniProt: 4-121                                                                              -------------------------- PROSITE (1)
                PROSITE (2) -------------------------------------RNASE_3_1------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1jfz D 600 GMKMLEQLEKKLGYTFKDKSLLEKALTHVSYSKKEHYETLEFLGDALVNFFIVDLLVQYSPNKREGFLSPLKAYLISEEFFNLLAQKLELHKFIRIKRGKINETIIGDVFEALWAAVYIDSGRDANFTRELFYKLFKEDILSAIKEGR 747
                                   609       619       629       639       649       659       669       679       689       699       709       719       729       739        

   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, 4)

Asymmetric Unit

(-) CATH Domains  (1, 4)

Asymmetric Unit

(-) Pfam Domains  (1, 4)

Asymmetric Unit

(-) Gene Ontology  (14, 14)

Asymmetric Unit(hide GO term definitions)
Chain A,B,C,D   (RNC_AQUAE | O67082)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0003725    double-stranded RNA binding    Interacting selectively and non-covalently with double-stranded RNA.
    GO:0004519    endonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
    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: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:0004525    ribonuclease III activity    Catalysis of the endonucleolytic cleavage of RNA with 5'-phosphomonoesters and 3'-OH termini; makes two staggered cuts in both strands of dsRNA, leaving a 3' overhang of 2 nt.
biological process
    GO:0090502    RNA phosphodiester bond hydrolysis, endonucleolytic    The chemical reactions and pathways involving the hydrolysis of internal 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:0006397    mRNA processing    Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide.
    GO:0016075    rRNA catabolic process    The chemical reactions and pathways resulting in the breakdown of rRNA, ribosomal RNA, a structural constituent of ribosomes.
    GO:0006364    rRNA processing    Any process involved in the conversion of a primary ribosomal RNA (rRNA) transcript into one or more mature rRNA molecules.
    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:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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

UniProtKB/Swiss-Prot
        RNC_AQUAE | O670821i4s 1rc5 1rc7 1yyk 1yyo 1yyw 1yz9 2ez6 2nue 2nuf 2nug 4m2z 4m30

(-) Related Entries Specified in the PDB File

1di2 1DI2 IS THE CRYSTAL STRUCTURE OF A DOUBLE-STRANDED RNA- BINDING DOMAIN FROM XENOPUS LAEVIS COMPLEXED WITH DOUBLE- STRANDED RNA
1i4s 1I4S IS THE CRYSTAL STRUCTURE OF UNLIGATED RNASE III ENDONUCLEASE DOMAIN FROM AQUIFEX AEOLICUS
1stu 1STU IS THE NMR SOLUTION STRUCTURE OF A DOUBLE-STRANDED RNA -BINDING DOMAIN FROM DROSOPHILA STAUFEN PROTEIN