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(-) Description

Title :  TERNARY STRUCTURE OF HHAI METHYLTRANSFERASE WITH HEMIMETHYLATED DNA AND ADOHCY
 
Authors :  X. Cheng
Date :  22 Oct 96  (Deposition) - 23 Jul 97  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.70
Chains :  Asym./Biol. Unit :  A,C,D
Keywords :  Transferase, Methyltransferase, Restriction System, Complex (Methyltransferase/Dna) (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. O'Gara, R. J. Roberts, X. Cheng
A Structural Basis For The Preferential Binding Of Hemimethylated Dna By Hhai Dna Methyltransferase.
J. Mol. Biol. V. 263 597 1996
PubMed-ID: 8918941  |  Reference-DOI: 10.1006/JMBI.1996.0601
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DNA (5'-D(*CP*CP*AP*TP*GP*(5CM) P*GP*CP*TP*GP*AP*C)-3')
    Chains: C
    Engineered: YES
    Synthetic: YES
 
Molecule 2 - DNA (5'-D(*GP*TP*CP*AP*GP*CP*GP*CP*AP*TP*GP*G)- 3')
    Chains: D
    Engineered: YES
    Synthetic: YES
 
Molecule 3 - PROTEIN (HHAI METHYLTRANSFERASE)
    Chains: A
    EC Number: 2.1.1.7
    Organism Scientific: HAEMOPHILUS HAEMOLYTICUS
    Organism Taxid: 726
    Synonym: MODIFICATION METHYLASE HHAI, CYTOSINE-SPECIFIC METHYLTRANSFERASE HHAI, M.HHAI

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit : ACD

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
15CM1Mod. Nucleotide5-METHYL-2'-DEOXY-CYTIDINE-5'-MONOPHOSPHATE
2SAH1Ligand/IonS-ADENOSYL-L-HOMOCYSTEINE

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREPHE A:18 , ALA A:19 , GLY A:20 , LEU A:21 , GLY A:23 , ASN A:39 , GLU A:40 , TRP A:41 , ASP A:60 , ILE A:61 , GLY A:78 , ASN A:304 , SER A:305 , HOH A:332 , HOH A:333 , HOH A:338 , HOH A:340 , HOH A:367 , HOH A:384BINDING SITE FOR RESIDUE SAH A 328

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 5MHT)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 5MHT)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 5MHT)

(-) Sequences/Alignments

Asymmetric/Biological 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:327
                                                                                                                                                                                                                                                                                                                                                                       
               SCOP domains d5mhta_ A: DNA methylase HhaI                                                                                                                                                                                                                                                                                                           SCOP domains
               CATH domains 5mhtA01 A:1-186,A:285-327 Vaccinia Virus protein VP39                                                                                                                                     5mhtA02 A:187-284 DNA Methylase, subunit A, domain 2                                              5mhtA01 A:1-186,A:285-327                   CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............eeeee.....hhhhhhhhh..eeeeee...hhhhhhhhhhh.......hhh..........eeee..............hhh.....hhhhhhhhhhhh...eeeeeeehhhh.hhhhhhhhhhhhhhhh.....eeeeeehhh.......eeeeeeee.hhh................hhh....hhh..........................eeee........eeee....................eeee..eeee..hhhhhhhh...........hhhhhhhhhh...hhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 5mht A   1 MIEIKDKQLTGLRFIDLFAGLGGFRLALESCGAECVYSNEWDKYAQEVYEMNFGEKPEGDITQVNEKTIPDHDILCAGFPCQAFSISGKQKGFEDSRGTLFFDIARIVREKKPKVVFMENVKNFASHDNGNTLEVVKNTMNELDYSFHAKVLNALDYGIPQKRERIYMICFRNDLNIQNFQFPKPFELNTFVKDLLLPDSEVEHLVIDRKDLVMTNQEIEQTTPKTVRLGIVGKGGQGERIYSTRGIAITLSAYGGGIFAKTGGYLVNGKTRKLHPRECARVMGYPDSYKVHPSTSQAYKQFGNSVVINVLQYIAYNIGSSLNFKPY 327
                                    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       


Chain C from PDB  Type:DNA  Length:12
                                            
                 5mht C 402 CCATGcGCTGAC 413
                                 | 411  
                               407-5CM  


Chain D from PDB  Type:DNA  Length:12
                                            
                 5mht D 422 GTCAGCGCATGG 433
                                   431
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  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, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (2, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)

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 Related Entries

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

UniProtKB/Swiss-Prot
        MTH1_HAEPH | P05102: 10mh 1fjx 1hmy 1m0e 1mht 1skm 1svu 2c7o 2c7p 2c7q 2c7r 2hmy 2hr1 2i9k 2uyc 2uyh 2uz4 2z6a 2z6q 2z6u 2zcj 3eeo 3mht 4mht 5ciy 6mht 7mht 8mht 9mht

(-) Related Entries Specified in the PDB File

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