ID   A0A3N2DLH2_9ENTR        Unreviewed;       320 AA.
AC   A0A3N2DLH2;
DT   13-FEB-2019, integrated into UniProtKB/TrEMBL.
DT   13-FEB-2019, sequence version 1.
DT   12-OCT-2022, entry version 13.
DE   RecName: Full=ATP-dependent 6-phosphofructokinase {ECO:0000256|HAMAP-Rule:MF_00339};
DE            Short=ATP-PFK {ECO:0000256|HAMAP-Rule:MF_00339};
DE            Short=Phosphofructokinase {ECO:0000256|HAMAP-Rule:MF_00339};
DE            EC=2.7.1.11 {ECO:0000256|HAMAP-Rule:MF_00339};
DE   AltName: Full=Phosphohexokinase {ECO:0000256|HAMAP-Rule:MF_00339};
GN   Name=pfkA {ECO:0000256|HAMAP-Rule:MF_00339};
GN   ORFNames=EC848_4567 {ECO:0000313|EMBL:ROS00631.1};
OS   Enterobacter sp. BIGb0359.
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC   Enterobacteriaceae; Enterobacter.
OX   NCBI_TaxID=2485133 {ECO:0000313|EMBL:ROS00631.1, ECO:0000313|Proteomes:UP000281546};
RN   [1] {ECO:0000313|EMBL:ROS00631.1, ECO:0000313|Proteomes:UP000281546}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=BIGb0359 {ECO:0000313|EMBL:ROS00631.1,
RC   ECO:0000313|Proteomes:UP000281546};
RA   Samuel B.;
RT   "Genomic analyses of the natural microbiome of Caenorhabditis elegans.";
RL   Submitted (NOV-2018) to the EMBL/GenBank/DDBJ databases.
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:0000256|ARBA:ARBA00002659, ECO:0000256|HAMAP-
CC       Rule:MF_00339}.
CC   -!- FUNCTION: Catalyzes the phosphorylation of D-fructose 6-phosphate, the
CC       first committing step of glycolysis. Uses inorganic phosphate (PPi) as
CC       phosphoryl donor instead of ATP like common ATP-dependent
CC       phosphofructokinases (ATP-PFKs), which renders the reaction reversible,
CC       and can thus function both in glycolysis and gluconeogenesis.
CC       Consistently, PPi-PFK can replace the enzymes of both the forward (ATP-
CC       PFK) and reverse (fructose-bisphosphatase (FBPase)) reactions.
CC       {ECO:0000256|ARBA:ARBA00003138}.
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;
CC         Evidence={ECO:0000256|ARBA:ARBA00000432, ECO:0000256|HAMAP-
CC         Rule:MF_00339};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=beta-D-fructose 6-phosphate + diphosphate = beta-D-fructose
CC         1,6-bisphosphate + H(+) + phosphate; Xref=Rhea:RHEA:13613,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:32966, ChEBI:CHEBI:33019,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:57634; EC=2.7.1.90;
CC         Evidence={ECO:0000256|ARBA:ARBA00000628};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000256|ARBA:ARBA00001946,
CC         ECO:0000256|HAMAP-Rule:MF_00339};
CC   -!- ACTIVITY REGULATION: Allosterically activated by ADP and other
CC       diphosphonucleosides, and allosterically inhibited by
CC       phosphoenolpyruvate. {ECO:0000256|HAMAP-Rule:MF_00339}.
CC   -!- PATHWAY: Carbohydrate degradation; glycolysis; D-glyceraldehyde 3-
CC       phosphate and glycerone phosphate from D-glucose: step 3/4.
CC       {ECO:0000256|ARBA:ARBA00004679, ECO:0000256|HAMAP-Rule:MF_00339}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_00339}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC       ECO:0000256|HAMAP-Rule:MF_00339}.
CC   -!- SIMILARITY: Belongs to the phosphofructokinase type A (PFKA) family.
CC       ATP-dependent PFK group I subfamily. Prokaryotic clade 'B1' sub-
CC       subfamily. {ECO:0000256|HAMAP-Rule:MF_00339}.
CC   -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC       whole genome shotgun (WGS) entry which is preliminary data.
CC       {ECO:0000313|EMBL:ROS00631.1}.
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DR   EMBL; RKHS01000009; ROS00631.1; -; Genomic_DNA.
DR   EnsemblBacteria; ROS00631; ROS00631; EC848_4567.
DR   UniPathway; UPA00109; UER00182.
DR   Proteomes; UP000281546; 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:0047334; F:diphosphate-fructose-6-phosphate 1-phosphotransferase activity; IEA:UniProtKB-EC.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006002; P:fructose 6-phosphate metabolic process; IEA:InterPro.
DR   CDD; cd00763; Bacterial_PFK; 1.
DR   Gene3D; 3.40.50.460; -; 1.
DR   HAMAP; MF_00339; Phosphofructokinase_I_B1; 1.
DR   InterPro; IPR022953; ATP_PFK.
DR   InterPro; IPR012003; ATP_PFK_prok-type.
DR   InterPro; IPR012828; PFKA_ATP_prok.
DR   InterPro; IPR015912; Phosphofructokinase_CS.
DR   InterPro; IPR000023; Phosphofructokinase_dom.
DR   InterPro; IPR035966; PKF_sf.
DR   Pfam; PF00365; PFK; 1.
DR   PIRSF; PIRSF000532; ATP_PFK_prok; 1.
DR   PRINTS; PR00476; PHFRCTKINASE.
DR   SUPFAM; SSF53784; SSF53784; 1.
DR   TIGRFAMs; TIGR02482; PFKA_ATP; 1.
DR   PROSITE; PS00433; PHOSPHOFRUCTOKINASE; 1.
PE   3: Inferred from homology;
KW   Allosteric enzyme {ECO:0000256|ARBA:ARBA00022533, ECO:0000256|HAMAP-
KW   Rule:MF_00339};
KW   ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW   Rule:MF_00339};
KW   Cytoplasm {ECO:0000256|ARBA:ARBA00022490, ECO:0000256|HAMAP-Rule:MF_00339};
KW   Glycolysis {ECO:0000256|ARBA:ARBA00023152, ECO:0000256|HAMAP-
KW   Rule:MF_00339};
KW   Kinase {ECO:0000256|ARBA:ARBA00022777, ECO:0000256|HAMAP-Rule:MF_00339};
KW   Magnesium {ECO:0000256|ARBA:ARBA00022842, ECO:0000256|HAMAP-Rule:MF_00339};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_00339};
KW   Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW   Rule:MF_00339};
KW   Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW   Rule:MF_00339}.
FT   DOMAIN          4..276
FT                   /note="PFK"
FT                   /evidence="ECO:0000259|Pfam:PF00365"
FT   ACT_SITE        128
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         12
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         22..26
FT                   /ligand="ADP"
FT                   /ligand_id="ChEBI:CHEBI:456216"
FT                   /ligand_note="allosteric activator; ligand shared between
FT                   dimeric partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         55..60
FT                   /ligand="ADP"
FT                   /ligand_id="ChEBI:CHEBI:456216"
FT                   /ligand_note="allosteric activator; ligand shared between
FT                   dimeric partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         73..74
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         103..106
FT                   /ligand="ATP"
FT                   /ligand_id="ChEBI:CHEBI:30616"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         104
FT                   /ligand="Mg(2+)"
FT                   /ligand_id="ChEBI:CHEBI:18420"
FT                   /ligand_note="catalytic"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         126..128
FT                   /ligand="substrate"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         155
FT                   /ligand="ADP"
FT                   /ligand_id="ChEBI:CHEBI:456216"
FT                   /ligand_note="allosteric activator; ligand shared between
FT                   dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         163
FT                   /ligand="substrate"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         170..172
FT                   /ligand="substrate"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         186..188
FT                   /ligand="ADP"
FT                   /ligand_id="ChEBI:CHEBI:456216"
FT                   /ligand_note="allosteric activator; ligand shared between
FT                   dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         212
FT                   /ligand="ADP"
FT                   /ligand_id="ChEBI:CHEBI:456216"
FT                   /ligand_note="allosteric activator; ligand shared between
FT                   dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         214..216
FT                   /ligand="ADP"
FT                   /ligand_id="ChEBI:CHEBI:456216"
FT                   /ligand_note="allosteric activator; ligand shared between
FT                   dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         223
FT                   /ligand="substrate"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         244
FT                   /ligand="substrate"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
FT   BINDING         250..253
FT                   /ligand="substrate"
FT                   /ligand_note="ligand shared between dimeric partners"
FT                   /note="in other chain"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_00339"
SQ   SEQUENCE   320 AA;  35005 MW;  D15012D3F7858BD9 CRC64;
     MIKKIGVLTS GGDAPGMNAA IRGVVRSALA EGLEVFGIYD GYLGLYEDRM VQLDRYSVSD
     MINRGGTFLG SARFPEFRDD KVREIAIENM KKRGLDALVV IGGDGSYMGA KRLTEMGFPC
     IGLPGTIDND IKGTDYTIGY FTALGTVVEA IDRLRDTSSS HQRISIVEVM GRYCGDLTLA
     AAIAGGCEFV VVPEVEFSRE DLVAEIKAGI AKGKKHAIVA ITEHICDVDE LARFIETETK
     RETRSTVLGH IQRGGSPVPY DRILASRMGA YAIELLQQGY GGRCVGIQNE KLVHHDIIDA
     IENMKRPFKG DWLDCAKKLY
//