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(-) Description

Title :  DISECTING HISTIDINE INTERACTIONS IN RIBONUCLEASE T1 USING ASN AND GLN MUTATIONS
 
Authors :  J. Doumen, J. Steyaert
Date :  30 Jun 97  (Deposition) - 31 Dec 97  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  B  (2x)
Keywords :  Endonuclease, Ribonuclease T1, Mutation (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. De Vos, J. Doumen, U. Langhorst, J. Steyaert
Dissecting Histidine Interactions Of Ribonuclease T1 With Asparagine And Glutamine Replacements: Analysis Of Double Mutant Cycles At One Position.
J. Mol. Biol. V. 275 651 1998
PubMed-ID: 9466938  |  Reference-DOI: 10.1006/JMBI.1997.1480
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - RIBONUCLEASE T1
    Chains: A, B
    EC Number: 3.1.27.3
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Gene: SYNTHETIC GENE
    Expression System Plasmid: PMC5-RT1
    Expression System Taxid: 562
    Gene: SYNTHETIC GENE
    Mutation: YES
    Organism Scientific: ASPERGILLUS ORYZAE
    Organism Taxid: 5062
    Synonym: RNASE T1

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B
Biological Unit 3 (2x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric Unit (2, 4)
No.NameCountTypeFull Name
12GP2Ligand/IonGUANOSINE-2'-MONOPHOSPHATE
2CA2Ligand/IonCALCIUM ION
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
12GP1Ligand/IonGUANOSINE-2'-MONOPHOSPHATE
2CA-1Ligand/IonCALCIUM ION
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
12GP1Ligand/IonGUANOSINE-2'-MONOPHOSPHATE
2CA-1Ligand/IonCALCIUM ION
Biological Unit 3 (1, 2)
No.NameCountTypeFull Name
12GP2Ligand/IonGUANOSINE-2'-MONOPHOSPHATE
2CA-1Ligand/IonCALCIUM ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:92 , ALA A:95 , HOH A:108 , HOH A:119 , GLN B:85 , HOH B:626BINDING SITE FOR RESIDUE CA B 501
2AC2SOFTWARETYR B:45 , GLY B:47 , ASP B:49 , HOH B:644 , HOH B:671BINDING SITE FOR RESIDUE CA B 601
3AC3SOFTWARETYR A:38 , HIS A:40 , LYS A:41 , TYR A:42 , ASN A:43 , ASN A:44 , TYR A:45 , GLU A:46 , GLU A:58 , ARG A:77 , GLN A:92 , ASN A:98 , PHE A:100 , HOH A:132 , ASN B:83BINDING SITE FOR RESIDUE 2GP A 105
4AC4SOFTWARETYR B:38 , HIS B:40 , LYS B:41 , TYR B:42 , ASN B:43 , ASN B:44 , TYR B:45 , GLU B:46 , GLU B:58 , ASN B:98 , PHE B:100BINDING SITE FOR RESIDUE 2GP B 306
5CATUNKNOWNGLN A:92 , GLU A:58 , HIS A:40 , TYR A:38 , PHE A:100CATALYTIC SITE.

(-) SS Bonds  (4, 4)

Asymmetric Unit
No.Residues
1A:2 -A:10
2A:6 -A:103
3B:2 -B:10
4B:6 -B:103

(-) Cis Peptide Bonds  (4, 4)

Asymmetric Unit
No.Residues
1Tyr A:38 -Pro A:39
2Ser A:54 -Pro A:55
3Tyr B:38 -Pro B:39
4Ser B:54 -Pro B:55

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5BIR)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5BIR)

(-) Exons   (0, 0)

(no "Exon" information available for 5BIR)

(-) 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:104
                                                                                                                                        
               SCOP domains d5bira_ A: RNase T1                                                                                      SCOP domains
               CATH domains 5birA00 A:1-104  [code=3.10.450.30, no name defined]                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee..eee.hhhhhhhhhhhhhhhh...........eee.............eeeee...............eeeeee....eeeeee............. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 5bir A   1 ACDYTCGSNCYSSSDVSTAQAAGYKLHEDGETVGSNSYPHKYNNYEGFDFSVSSPYYEWPILSSGDVYSGGSPGADRVVFNENNQLAGVITQTGASGNNFVECT 104
                                    10        20        30        40        50        60        70        80        90       100    


Chain B from PDB  Type:PROTEIN  Length:104
                                                                                                                                        
               SCOP domains d5birb_ B: RNase T1                                                                                      SCOP domains
               CATH domains 5birB00 B:1-104  [code=3.10.450.30, no name defined]                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eee..eee.hhhhhhhhhhhhhhhhh..........eee.............eeeee...............eeeeee....eeeeee............. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 5bir B   1 ACDYTCGSNCYSSSDVSTAQAAGYKLHEDGETVGSNSYPHKYNNYEGFDFSVSSPYYEWPILSSGDVYSGGSPGADRVVFNENNQLAGVITQTGASGNNFVECT 104
                                    10        20        30        40        50        60        70        80        90       100
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  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
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5BIR)

(-) Gene Ontology  (13, 13)

Asymmetric Unit(hide GO term definitions)

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  5bir
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  RNT1_ASPOR | P00651
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  3.1.27.3
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 Related Entries

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

UniProtKB/Swiss-Prot
        RNT1_ASPOR | P00651: 1b2m 1bir 1bu4 1bvi 1ch0 1det 1fys 1fzu 1g02 1gsp 1hyf 1hz1 1i0v 1i0x 1i2e 1i2f 1i2g 1i3f 1i3i 1iyy 1lov 1low 1loy 1lra 1q9e 1rga 1rgc 1rgk 1rgl 1rhl 1rls 1rn1 1rn4 1rnt 1trp 1trq 1tto 1ygw 2aad 2aae 2bir 2bu4 2gsp 2hoh 2rnt 3bir 3bu4 3gsp 3hoh 3rnt 3syu 3urp 4bir 4bu4 4gsp 4hoh 4odk 4rnt 5bu4 5gsp 5hoh 5rnt 6gsp 6rnt 7gsp 7rnt 8rnt 9rnt

(-) Related Entries Specified in the PDB File

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