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(-) Description

Title :  DIHYDROPTEROATE SYNTHETASE, WITH BOUND SUBSTRATE ANALOGUE PTP, FROM BACILLUS ANTHRACIS
 
Authors :  K. Babaoglu, J. Qi, R. L. Lee, S. W. White
Date :  01 Jul 04  (Deposition) - 14 Sep 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.75
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (2x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  B  (2x)
Keywords :  Anthracis, Folate Biosynthesis, Dihydropteroate, Pterine, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. Babaoglu, J. Qi, R. E. Lee, S. W. White
Crystal Structure Of 7, 8-Dihydropteroate Synthase From Bacillus Anthracis; Mechanism And Novel Inhibitor Design.
Structure V. 12 1705 2004
PubMed-ID: 15341734  |  Reference-DOI: 10.1016/J.STR.2004.07.011

(-) Compounds

Molecule 1 - DHPS, DIHYDROPTEROATE SYNTHASE
    Chains: A, B
    EC Number: 2.5.1.15
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET-28A
    Expression System Strain: BL21 DE3
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: FOLP
    Organism Scientific: BACILLUS ANTHRACIS
    Organism Taxid: 191218
    Strain: STR. A2012

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 10)

Asymmetric Unit (2, 10)
No.NameCountTypeFull Name
1PMM2Ligand/IonPTERIN-6-YL-METHYL-MONOPHOSPHATE
2SO48Ligand/IonSULFATE ION
Biological Unit 1 (2, 10)
No.NameCountTypeFull Name
1PMM2Ligand/IonPTERIN-6-YL-METHYL-MONOPHOSPHATE
2SO48Ligand/IonSULFATE ION
Biological Unit 2 (2, 5)
No.NameCountTypeFull Name
1PMM1Ligand/IonPTERIN-6-YL-METHYL-MONOPHOSPHATE
2SO44Ligand/IonSULFATE ION
Biological Unit 3 (2, 10)
No.NameCountTypeFull Name
1PMM2Ligand/IonPTERIN-6-YL-METHYL-MONOPHOSPHATE
2SO48Ligand/IonSULFATE ION

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWARELYS B:50 , ARG B:53BINDING SITE FOR RESIDUE SO4 B 278
02AC2SOFTWARELYS A:50 , ARG A:53 , HOH A:307BINDING SITE FOR RESIDUE SO4 A 278
03AC3SOFTWAREASN A:27 , ARG A:219 , HOH A:296BINDING SITE FOR RESIDUE SO4 A 279
04AC4SOFTWAREARG B:219BINDING SITE FOR RESIDUE SO4 B 279
05AC5SOFTWARESER B:221 , ARG B:234 , HOH B:306BINDING SITE FOR RESIDUE SO4 B 280
06AC6SOFTWARESER A:221 , ARG A:234BINDING SITE FOR RESIDUE SO4 A 280
07AC7SOFTWAREGLU A:198 , ARG A:201 , ASN A:202BINDING SITE FOR RESIDUE SO4 A 281
08AC8SOFTWAREARG B:201 , ASN B:202BINDING SITE FOR RESIDUE SO4 B 281
09AC9SOFTWAREASP A:101 , ASN A:120 , ILE A:122 , MET A:145 , ASP A:184 , PHE A:189 , GLY A:216 , LYS A:220 , ARG A:254 , HOH A:316BINDING SITE FOR RESIDUE PMM A 282
10BC1SOFTWAREASP B:101 , ASN B:120 , ILE B:122 , MET B:145 , ASP B:184 , PHE B:189 , GLY B:216 , LYS B:220 , ARG B:254 , HIS B:256 , HOH B:292BINDING SITE FOR RESIDUE PMM B 282

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1TWZ)

(-) 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:266
 aligned with Q81VW8_BACAN | Q81VW8 from UniProtKB/TrEMBL  Length:280

    Alignment length:273
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274   
         Q81VW8_BACAN     5 KWDYDLRCGEYTLNLNEKTLIMGILNVTPDSFSDGGSYNEVDAAVRHAKEMRDEGAHIIDIGGESTRPGFAKVSVEEEIKRVVPMIQAVSKEVKLPISIDTYKAEVAKQAIEAGAHIINDIWGAKAEPKIAEVAAHYDVPIILMHNRDNMNYRNLMADMIADLYDSIKIAKDAGVRDENIILDPGIGFAKTPEQNLEAMRNLEQLNVLGYPVLLGTSRKSFIGHVLDLPVEERLEGTGATVCLGIEKGCEFVRVHDVKEMSRMAKMMDAMIGK 277
               SCOP domains d1twza_ A: Dihydropteroate synthetase                                                                                                                                                                                                                                             SCOP domains
               CATH domains 1twzA00 A:2-274 Dihydropteroate (DHP) synthetase                                                                                                                                                                                                                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eee..eee......eeeeee...........hhhhhhhhhhhhhhhhhhh..eeeee...-------.hhhhhhhhhhhhhhhhhhhh...eeee..hhhhhhhhhhhh..eeee.......hhhhhhhhhhh..eeee.........hhhhhhhhhhhhhhhhhhh...hhh.eeee.......hhhhhhhhhhhhhhhhhhh...eee...hhhhhhhhh.hhhhhhhhhhhhhhhhhhh...eeee.hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1twz A   2 KWDYDLRCGEYTLNLNEKTLIMGILNVTPDSFSDGGSYNEVDAAVRHAKEMRDEGAHIIDIGGES-------VSVEEEIKRVVPMIQAVSKEVKLPISIDTYKAEVAKQAIEAGAHIINDIWGAKAEPKIAEVAAHYDVPIILMHNRDNMNYRNLMADMIADLYDSIKIAKDAGVRDENIILDPGIGFAKTPEQNLEAMRNLEQLNVLGYPVLLGTSRKSFIGHVLDLPVEERLEGTGATVCLGIEKGCEFVRVHDVKEMSRMAKMMDAMIGK 274
                                    11        21        31        41        51        61    |    -  |     81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271   
                                                                                           66      74                                                                                                                                                                                                        


Chain B from PDB  Type:PROTEIN  Length:262
 aligned with Q81VW8_BACAN | Q81VW8 from UniProtKB/TrEMBL  Length:280

    Alignment length:273
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244       254       264       274   
         Q81VW8_BACAN     5 KWDYDLRCGEYTLNLNEKTLIMGILNVTPDSFSDGGSYNEVDAAVRHAKEMRDEGAHIIDIGGESTRPGFAKVSVEEEIKRVVPMIQAVSKEVKLPISIDTYKAEVAKQAIEAGAHIINDIWGAKAEPKIAEVAAHYDVPIILMHNRDNMNYRNLMADMIADLYDSIKIAKDAGVRDENIILDPGIGFAKTPEQNLEAMRNLEQLNVLGYPVLLGTSRKSFIGHVLDLPVEERLEGTGATVCLGIEKGCEFVRVHDVKEMSRMAKMMDAMIGK 277
               SCOP domains d1twzb_ B: Dihydropteroate sy    nthetase                                                                                                                                                                                                                                         SCOP domains
               CATH domains 1twzB00 B:2-274 Dihydropteroa    te (DHP) synthetase                                                                                                                                                                                                                              CATH domains
           Pfam domains (1) -----------------------Pterin    _bind-1twzB01 B:25-224                                                                                                                                                                        -------------------------------------------------- Pfam domains (1)
           Pfam domains (2) -----------------------Pterin    _bind-1twzB02 B:25-224                                                                                                                                                                        -------------------------------------------------- Pfam domains (2)
         Sec.struct. author .....eee..eee......eeeee.....----...hhhhhhhhhhhhhhhhhhh..eeeee...-------.hhhhhhhhhhhhhhhhhhhh...eeee..hhhhhhhhhhhh..eeee.......hhhhhhhhhhh..eeee.........hhhhhhhhhhhhhhhhhhhh..hhh.eeee.......hhhhhhhhhhhhhhhhhhh...eee...hhhhhhhhh.hhhhhhhhhhhhhhhhhhh...eeee.hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1twz B   2 KWDYDLRCGEYTLNLNEKTLIMGILNVTP----DGGSYNEVDAAVRHAKEMRDEGAHIIDIGGES-------VSVEEEIKRVVPMIQAVSKEVKLPISIDTYKAEVAKQAIEAGAHIINDIWGAKAEPKIAEVAAHYDVPIILMHNRDNMNYRNLMADMIADLYDSIKIAKDAGVRDENIILDPGIGFAKTPEQNLEAMRNLEQLNVLGYPVLLGTSRKSFIGHVLDLPVEERLEGTGATVCLGIEKGCEFVRVHDVKEMSRMAKMMDAMIGK 274
                                    11        21        |-   |    41        51        61    |    -  |     81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271   
                                                       30   35                             66      74
   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, 2)

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

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: TIM_barrel (694)

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q81VW8_BACAN | Q81VW8)
molecular function
    GO:0004156    dihydropteroate synthase activity    Catalysis of the reaction: 2-amino-4-hydroxy-6-hydroxymethyl-7,8-dihydropteridine diphosphate + 4-aminobenzoate = diphosphate + dihydropteroate.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0044237    cellular metabolic process    The chemical reactions and pathways by which individual cells transform chemical substances.
    GO:0046656    folic acid biosynthetic process    The chemical reactions and pathways resulting in the formation of folic acid, pteroylglutamic acid.
    GO:0009396    folic acid-containing compound biosynthetic process    The chemical reactions and pathways resulting in the formation of folic acid and its derivatives.
    GO:0042558    pteridine-containing compound metabolic process    The chemical reactions and pathways involving any compound containing pteridine (pyrazino(2,3-dipyrimidine)), e.g. pteroic acid, xanthopterin and folic acid.
    GO:0046654    tetrahydrofolate biosynthetic process    The chemical reactions and pathways resulting in the formation of tetrahydrofolate, 5,6,7,8-tetrahydrofolic acid, a folate derivative bearing additional hydrogens on the pterin group.

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 Related Entries

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

UniProtKB/TrEMBL
        Q81VW8_BACAN | Q81VW8: 1tws 1tww 1tx0 1tx2 3h21 3h22 3h23 3h24 3h26 3h2a 3h2c 3h2e 3h2f 3h2m 3h2n 3h2o 3tya 3tyb 3tyc 3tyd 3tye 4d8a 4d8z 4d9p 4daf 4dai 4db7 4nhv 4nil 4nir 4nl1

(-) Related Entries Specified in the PDB File

1tws UNLIGANDED STRUCTURE
1tww PTPP BOUND STRUCTURE
1tx0 PRODUCT ANALOG
1tx2