PFKA_SCHMA
ID PFKA_SCHMA Reviewed; 781 AA.
AC Q27778;
DT 15-JUL-1998, integrated into UniProtKB/Swiss-Prot.
DT 01-NOV-1996, sequence version 1.
DT 03-AUG-2022, entry version 99.
DE RecName: Full=ATP-dependent 6-phosphofructokinase {ECO:0000255|HAMAP-Rule:MF_03184};
DE Short=ATP-PFK {ECO:0000255|HAMAP-Rule:MF_03184};
DE Short=Phosphofructokinase {ECO:0000255|HAMAP-Rule:MF_03184};
DE EC=2.7.1.11 {ECO:0000255|HAMAP-Rule:MF_03184};
DE AltName: Full=Phosphohexokinase {ECO:0000255|HAMAP-Rule:MF_03184};
GN Name=PFK;
OS Schistosoma mansoni (Blood fluke).
OC Eukaryota; Metazoa; Spiralia; Lophotrochozoa; Platyhelminthes; Trematoda;
OC Digenea; Strigeidida; Schistosomatoidea; Schistosomatidae; Schistosoma.
OX NCBI_TaxID=6183;
RN [1]
RP NUCLEOTIDE SEQUENCE [MRNA], AND CATALYTIC ACTIVITY.
RX PubMed=7984171; DOI=10.1016/0166-6851(94)90040-x;
RA Ding J., Su J.G.J., Mansour T.E.;
RT "Cloning and characterization of a cDNA encoding phosphofructokinase from
RT Schistosoma mansoni.";
RL Mol. Biochem. Parasitol. 66:105-110(1994).
RN [2]
RP FUNCTION, CATALYTIC ACTIVITY, BIOPHYSICOCHEMICAL PROPERTIES, AND ACTIVITY
RP REGULATION.
RX PubMed=8898332; DOI=10.1016/0166-6851(96)02702-8;
RA Su J.G., Mansour J.M., Mansour T.E.;
RT "Purification, kinetics and inhibition by antimonials of recombinant
RT phosphofructokinase from Schistosoma mansoni.";
RL Mol. Biochem. Parasitol. 81:171-178(1996).
CC -!- FUNCTION: Catalyzes the phosphorylation of D-fructose 6-phosphate to
CC fructose 1,6-bisphosphate by ATP, the first committing step of
CC glycolysis. {ECO:0000255|HAMAP-Rule:MF_03184,
CC ECO:0000269|PubMed:8898332}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=ATP + beta-D-fructose 6-phosphate = ADP + beta-D-fructose 1,6-
CC bisphosphate + H(+); Xref=Rhea:RHEA:16109, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30616, ChEBI:CHEBI:32966, ChEBI:CHEBI:57634,
CC ChEBI:CHEBI:456216; EC=2.7.1.11; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_03184, ECO:0000269|PubMed:7984171,
CC ECO:0000269|PubMed:8898332};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_03184};
CC -!- ACTIVITY REGULATION: Allosterically activated by ADP, AMP, or fructose
CC 2,6-bisphosphate, and allosterically inhibited by ATP or citrate.
CC {ECO:0000255|HAMAP-Rule:MF_03184, ECO:0000269|PubMed:8898332}.
CC -!- BIOPHYSICOCHEMICAL PROPERTIES:
CC Kinetic parameters:
CC KM=3.5 mM for ATP {ECO:0000269|PubMed:8898332};
CC KM=0.8 mM for fructose 6-phosphate {ECO:0000269|PubMed:8898332};
CC pH dependence:
CC Optimum pH is 7.5-9.0. {ECO:0000269|PubMed:8898332};
CC -!- PATHWAY: Carbohydrate degradation; glycolysis; D-glyceraldehyde 3-
CC phosphate and glycerone phosphate from D-glucose: step 3/4.
CC {ECO:0000255|HAMAP-Rule:MF_03184}.
CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_03184}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_03184}.
CC -!- SIMILARITY: Belongs to the phosphofructokinase type A (PFKA) family.
CC ATP-dependent PFK group I subfamily. Eukaryotic two domain clade 'E'
CC sub-subfamily. {ECO:0000255|HAMAP-Rule:MF_03184}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; L31531; AAA29911.1; -; mRNA.
DR AlphaFoldDB; Q27778; -.
DR SMR; Q27778; -.
DR STRING; 6183.Smp_043670.2; -.
DR eggNOG; KOG2440; Eukaryota.
DR SABIO-RK; Q27778; -.
DR UniPathway; UPA00109; UER00182.
DR Proteomes; UP000008854; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0003872; F:6-phosphofructokinase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006002; P:fructose 6-phosphate metabolic process; IEA:InterPro.
DR Gene3D; 3.40.50.460; -; 2.
DR HAMAP; MF_03184; Phosphofructokinase_I_E; 1.
DR InterPro; IPR009161; 6-Pfructokinase_euk.
DR InterPro; IPR022953; ATP_PFK.
DR InterPro; IPR015912; Phosphofructokinase_CS.
DR InterPro; IPR000023; Phosphofructokinase_dom.
DR InterPro; IPR035966; PKF_sf.
DR Pfam; PF00365; PFK; 2.
DR PIRSF; PIRSF000533; ATP_PFK_euk; 1.
DR PRINTS; PR00476; PHFRCTKINASE.
DR SUPFAM; SSF53784; SSF53784; 2.
DR TIGRFAMs; TIGR02478; 6PF1K_euk; 1.
DR PROSITE; PS00433; PHOSPHOFRUCTOKINASE; 1.
PE 1: Evidence at protein level;
KW Allosteric enzyme; ATP-binding; Cytoplasm; Glycolysis; Kinase; Magnesium;
KW Metal-binding; Nucleotide-binding; Reference proteome; Transferase.
FT CHAIN 1..781
FT /note="ATP-dependent 6-phosphofructokinase"
FT /id="PRO_0000112033"
FT REGION 1..394
FT /note="N-terminal catalytic PFK domain 1"
FT REGION 395..409
FT /note="Interdomain linker"
FT REGION 410..781
FT /note="C-terminal regulatory PFK domain 2"
FT ACT_SITE 168
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 27
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 90..91
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 120..123
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 121
FT /ligand="Mg(2+)"
FT /ligand_id="ChEBI:CHEBI:18420"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 166..168
FT /ligand="substrate"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 203
FT /ligand="substrate"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 210..212
FT /ligand="substrate"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 266
FT /ligand="substrate"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 294
FT /ligand="substrate"
FT /ligand_note="ligand shared between dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 300..303
FT /ligand="substrate"
FT /ligand_note="ligand shared between dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 479
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 537..541
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 575
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 582..584
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 638
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 664
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 670..673
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
FT BINDING 745
FT /ligand="beta-D-fructose 2,6-bisphosphate"
FT /ligand_id="ChEBI:CHEBI:58579"
FT /ligand_note="allosteric activator; ligand shared between
FT dimeric partners"
FT /note="in other chain"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_03184"
SQ SEQUENCE 781 AA; 86060 MW; B2CDF20CAE926C38 CRC64;
MATWMEGKYV ARGQFTGECI AVLTSGGDAQ GMNAAVRAVV RMGIYCGCRV FFIREGYQGL
VDGGQNIQEA SWADVSGILQ LGGTKIGSAR CMDFRERYGR LKAAENLVKN QITNLVVIGG
DGSLTGANLF RAEWSSLLEE LVTSNKISAE SAKQFHRLNI VGLVGSIDND FCGTDMTIGA
DSALHRIIEA TDAISTTAHS HQRCFILEVM GRHCGYLALV ASMACEADWV FIPEMPPTDD
WREKLCHKLR MNREHGQRVN IIMVAEGAID RACKPITCEI VKNLIVSELQ LDTRITVLGH
VQRGGSPSAF DRILGSRMGA EAVLALMDAD RDPNLPSCVI SLDGNQAVRV PLVKCVDRTR
QVAEAMKACD FDHAVELRGT SFMNNLATYI KLSKIEQPRQ SVMSSENNLR IGIVNVGAPA
CGINAVIRGF TRLGITKGYK VIGIHEGFSG LVKGDASEIQ WADVRGWVGM GGSMLGTRRD
TPNGLGIDKV AAKFKELKLS GLLIIGGFEA YECMIELVEG REKYPELCIP MAMVPATISN
NVPGTDFSLG CDTALNEITS VLDKIKQSAL GTKRRVFVVE TMGGYCGYLA TMSALAGGAD
AAYIFEEPFT IDDLREDVVH LRAKIDDNVK RGLVLRADML INTITSEFIH QLYAQEGQGI
FDCRCNVLGH MQQGDRPSPF DRSLGTKFAS KAIDWLDEQI NANIVQILQS IHQTFMLYIN
WYCTSSDNLF KYSLELREHT DFVHRLPKEE WWLSLRPLMR IMAKHDSLYE SESIMAGTDR
K
