P-loop NTPase (nucleoside triphosphate hydrolase) family protein contains two conserved sequence signatures, the Walker A motif (the P-loop proper) and Walker B motif which bind, respectively, the beta and gamma phosphate moieties of the bound nucleotide (typically ATP or GTP), and a Mg(2+) cation
P-loop containing Nucleoside Triphosphate Hydrolases; Members of the P-loop NTPase domain ...
51-317
5.80e-85
P-loop containing Nucleoside Triphosphate Hydrolases; Members of the P-loop NTPase domain superfamily are characterized by a conserved nucleotide phosphate-binding motif, also referred to as the Walker A motif (GxxxxGK[S/T], where x is any residue), and the Walker B motif (hhhh[D/E], where h is a hydrophobic residue). The Walker A and B motifs bind the beta-gamma phosphate moiety of the bound nucleotide (typically ATP or GTP) and the Mg2+ cation, respectively. The P-loop NTPases are involved in diverse cellular functions, and they can be divided into two major structural classes: the KG (kinase-GTPase) class which includes Ras-like GTPases and its circularly permutated YlqF-like; and the ASCE (additional strand catalytic E) class which includes ATPase Binding Cassette (ABC), DExD/H-like helicases, 4Fe-4S iron sulfur cluster binding proteins of NifH family, RecA-like F1-ATPases, and ATPases Associated with a wide variety of Activities (AAA). Also included are a diverse set of nucleotide/nucleoside kinase families.
The actual alignment was detected with superfamily member PLN02165:
Pssm-ID: 476819 Cd Length: 334 Bit Score: 260.53 E-value: 5.80e-85
tRNA A37 N6-isopentenylltransferase MiaA [Translation, ribosomal structure and biogenesis]; ...
51-265
1.11e-36
tRNA A37 N6-isopentenylltransferase MiaA [Translation, ribosomal structure and biogenesis]; tRNA A37 N6-isopentenylltransferase MiaA is part of the Pathway/BioSystem: tRNA modification
Pssm-ID: 440093 Cd Length: 306 Bit Score: 134.42 E-value: 1.11e-36
tRNA dimethylallyltransferase; Alternate names include delta(2)-isopentenylpyrophosphate ...
54-265
2.71e-30
tRNA dimethylallyltransferase; Alternate names include delta(2)-isopentenylpyrophosphate transferase, IPP transferase, 2-methylthio-N6-isopentyladenosine tRNA modification enzyme. Catalyzes the first step in the modification of an adenosine near the anticodon to 2-methylthio-N6-isopentyladenosine. Understanding of substrate specificity has changed. [Protein synthesis, tRNA and rRNA base modification]
Pssm-ID: 213512 Cd Length: 287 Bit Score: 116.72 E-value: 2.71e-30
IPP transferase; This is a family of IPP transferases EC:2.5.1.8 also known as tRNA delta(2) ...
87-265
7.48e-25
IPP transferase; This is a family of IPP transferases EC:2.5.1.8 also known as tRNA delta(2)-isopentenylpyrophosphate transferase. These enzymes modify both cytoplasmic and mitochondrial tRNAs at A(37) to give isopentenyl A(37).
Pssm-ID: 460304 Cd Length: 242 Bit Score: 100.96 E-value: 7.48e-25
Gluconate kinase (GntK) catalyzes the phosphoryl transfer from ATP to gluconate. The resulting ...
55-90
6.61e-03
Gluconate kinase (GntK) catalyzes the phosphoryl transfer from ATP to gluconate. The resulting product gluconate-6-phoshate is an important precursor of gluconate metabolism. GntK acts as a dimmer composed of two identical subunits.
Pssm-ID: 238979 [Multi-domain] Cd Length: 150 Bit Score: 36.85 E-value: 6.61e-03
tRNA A37 N6-isopentenylltransferase MiaA [Translation, ribosomal structure and biogenesis]; ...
51-265
1.11e-36
tRNA A37 N6-isopentenylltransferase MiaA [Translation, ribosomal structure and biogenesis]; tRNA A37 N6-isopentenylltransferase MiaA is part of the Pathway/BioSystem: tRNA modification
Pssm-ID: 440093 Cd Length: 306 Bit Score: 134.42 E-value: 1.11e-36
tRNA dimethylallyltransferase; Alternate names include delta(2)-isopentenylpyrophosphate ...
54-265
2.71e-30
tRNA dimethylallyltransferase; Alternate names include delta(2)-isopentenylpyrophosphate transferase, IPP transferase, 2-methylthio-N6-isopentyladenosine tRNA modification enzyme. Catalyzes the first step in the modification of an adenosine near the anticodon to 2-methylthio-N6-isopentyladenosine. Understanding of substrate specificity has changed. [Protein synthesis, tRNA and rRNA base modification]
Pssm-ID: 213512 Cd Length: 287 Bit Score: 116.72 E-value: 2.71e-30
IPP transferase; This is a family of IPP transferases EC:2.5.1.8 also known as tRNA delta(2) ...
87-265
7.48e-25
IPP transferase; This is a family of IPP transferases EC:2.5.1.8 also known as tRNA delta(2)-isopentenylpyrophosphate transferase. These enzymes modify both cytoplasmic and mitochondrial tRNAs at A(37) to give isopentenyl A(37).
Pssm-ID: 460304 Cd Length: 242 Bit Score: 100.96 E-value: 7.48e-25
Isopentenyl transferase; Isopentenyl transferase / dimethylallyl transferase synthesizes isopentenyladensosine 5'-monophosphate, a cytokinin that induces shoot formation on host plants infected with the Ti plasmid.
Pssm-ID: 366786 Cd Length: 232 Bit Score: 39.30 E-value: 2.15e-03
Gluconate kinase (GntK) catalyzes the phosphoryl transfer from ATP to gluconate. The resulting ...
55-90
6.61e-03
Gluconate kinase (GntK) catalyzes the phosphoryl transfer from ATP to gluconate. The resulting product gluconate-6-phoshate is an important precursor of gluconate metabolism. GntK acts as a dimmer composed of two identical subunits.
Pssm-ID: 238979 [Multi-domain] Cd Length: 150 Bit Score: 36.85 E-value: 6.61e-03
Database: CDSEARCH/cdd Low complexity filter: no Composition Based Adjustment: yes E-value threshold: 0.01
References:
Wang J et al. (2023), "The conserved domain database in 2023", Nucleic Acids Res.51(D)384-8.
Lu S et al. (2020), "The conserved domain database in 2020", Nucleic Acids Res.48(D)265-8.
Marchler-Bauer A et al. (2017), "CDD/SPARCLE: functional classification of proteins via subfamily domain architectures.", Nucleic Acids Res.45(D)200-3.
of the residues that compose this conserved feature have been mapped to the query sequence.
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