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P43776

- DHPS_HAEIN

UniProt

P43776 - DHPS_HAEIN

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Protein

Dihydropteroate synthase

Gene
folP-A, HI_1336
folP-B, HI_1464
Organism
Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
Status
Reviewed - Annotation score: 3 out of 5 - Protein inferred from homologyi

Functioni

DHPS catalyzes the formation of the immediate precursor of folic acid. It is implicated in resistance to sulfonamide By similarity.

Catalytic activityi

(2-amino-4-hydroxy-7,8-dihydropteridin-6-yl)methyl diphosphate + 4-aminobenzoate = diphosphate + dihydropteroate.

Cofactori

Binds 1 magnesium ion per subunit. Magnesium is required for activity, even if it interacts primarily with the substrate By similarity.

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Metal bindingi22 – 221Magnesium By similarity
Binding sitei30 – 301Substrate By similarity
Binding sitei96 – 961Substrate By similarity
Binding sitei115 – 1151Substrate By similarity
Binding sitei185 – 1851Substrate By similarity
Binding sitei221 – 2211Substrate By similarity
Binding sitei255 – 2551Substrate By similarity
Binding sitei257 – 2571Substrate By similarity

GO - Molecular functioni

  1. dihydropteroate synthase activity Source: UniProtKB-EC
  2. metal ion binding Source: UniProtKB-KW

GO - Biological processi

  1. folic acid biosynthetic process Source: UniProtKB-KW
  2. response to antibiotic Source: UniProtKB-KW
  3. tetrahydrofolate biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Transferase

Keywords - Biological processi

Antibiotic resistance, Folate biosynthesis

Keywords - Ligandi

Magnesium, Metal-binding

Enzyme and pathway databases

UniPathwayiUPA00077; UER00156.

Names & Taxonomyi

Protein namesi
Recommended name:
Dihydropteroate synthase (EC:2.5.1.15)
Short name:
DHPS
Alternative name(s):
Dihydropteroate pyrophosphorylase
Gene namesi
Name:folP-A
Ordered Locus Names:HI_1336
AND
Name:folP-B
Ordered Locus Names:HI_1464
OrganismiHaemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
Taxonomic identifieri71421 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPasteurellalesPasteurellaceaeHaemophilus
ProteomesiUP000000579: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 275275Dihydropteroate synthasePRO_0000168210Add
BLAST

Interactioni

Subunit structurei

Homodimer By similarity.

Protein-protein interaction databases

STRINGi71421.HI1464.

Structurei

3D structure databases

ProteinModelPortaliP43776.
SMRiP43776. Positions 1-274.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini15 – 267253Pterin-bindingAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni62 – 632Substrate binding By similarity

Sequence similaritiesi

Belongs to the DHPS family.

Phylogenomic databases

eggNOGiCOG0294.
KOiK00796.
OMAiDCWISVD.
OrthoDBiEOG67T5P5.
PhylomeDBiP43776.

Family and domain databases

Gene3Di3.20.20.20. 1 hit.
InterProiIPR006390. DHP_synth.
IPR011005. Dihydropteroate_synth-like.
IPR000489. Pterin-binding.
[Graphical view]
PfamiPF00809. Pterin_bind. 1 hit.
[Graphical view]
SUPFAMiSSF51717. SSF51717. 1 hit.
TIGRFAMsiTIGR01496. DHPS. 1 hit.
PROSITEiPS00792. DHPS_1. 1 hit.
PS00793. DHPS_2. 1 hit.
PS50972. PTERIN_BINDING. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

P43776-1 [UniParc]FASTAAdd to Basket

« Hide

MKLYANNKCL DLSVPQIMGI LNFTPDSFSD SGQFFSLDKA LFQVEKMLEE    50
GATIIDIGGE STRPNADEVS EQEELHRVVP VVEAVRNRFD CWISVDSSKA 100
VVMREAANVG MDLINDIRAL QEPNALETAV KLALPVCIMH MQGQPRTMQA 150
NPYYENVVQD VLAFLQKRTN ECLSAGIKKE NLIWDMGFGF GKSVQHNYQL 200
LQNLNEFCQI GYPVLAGLSR KSMIGAVLDK PVDQRIIGSA AGALIAVQKG 250
AKILRVHDVA ATSDMLKVWQ ATANA 275
Length:275
Mass (Da):30,330
Last modified:November 1, 1995 - v1
Checksum:i8164FD3FBB7B9A30
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L42023 Genomic DNA. Translation: AAC22983.1.
L42023 Genomic DNA. Translation: AAC23111.1.
PIRiE64117.
RefSeqiNP_439487.1. NC_000907.1.
NP_439615.1. NC_000907.1.

Genome annotation databases

EnsemblBacteriaiAAC22983; AAC22983; HI_1336.
AAC23111; AAC23111; HI_1464.
GeneIDi950351.
950701.
KEGGihin:HI1336.
hin:HI1464.
PATRICi20191355. VBIHaeInf48452_1388.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L42023 Genomic DNA. Translation: AAC22983.1 .
L42023 Genomic DNA. Translation: AAC23111.1 .
PIRi E64117.
RefSeqi NP_439487.1. NC_000907.1.
NP_439615.1. NC_000907.1.

3D structure databases

ProteinModelPortali P43776.
SMRi P43776. Positions 1-274.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 71421.HI1464.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAC22983 ; AAC22983 ; HI_1336 .
AAC23111 ; AAC23111 ; HI_1464 .
GeneIDi 950351.
950701.
KEGGi hin:HI1336.
hin:HI1464.
PATRICi 20191355. VBIHaeInf48452_1388.

Phylogenomic databases

eggNOGi COG0294.
KOi K00796.
OMAi DCWISVD.
OrthoDBi EOG67T5P5.
PhylomeDBi P43776.

Enzyme and pathway databases

UniPathwayi UPA00077 ; UER00156 .

Family and domain databases

Gene3Di 3.20.20.20. 1 hit.
InterProi IPR006390. DHP_synth.
IPR011005. Dihydropteroate_synth-like.
IPR000489. Pterin-binding.
[Graphical view ]
Pfami PF00809. Pterin_bind. 1 hit.
[Graphical view ]
SUPFAMi SSF51717. SSF51717. 1 hit.
TIGRFAMsi TIGR01496. DHPS. 1 hit.
PROSITEi PS00792. DHPS_1. 1 hit.
PS00793. DHPS_2. 1 hit.
PS50972. PTERIN_BINDING. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 51907 / DSM 11121 / KW20 / Rd.

Entry informationi

Entry nameiDHPS_HAEIN
AccessioniPrimary (citable) accession number: P43776
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1995
Last sequence update: November 1, 1995
Last modified: July 9, 2014
This is version 97 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Haemophilus influenzae
    Haemophilus influenzae (strain Rd): entries and gene names
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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