Protein profile

PA0546

S-adenosylmethionine synthetase

Genome: NC_002516.2

Gene: metK PA0546 Structure source: AlphaFold UniProt Q9I5Z0
Amino acids 396
Annotations 7
Features 29
PDB binders 18
Druggability 0.894

Overview

Basic information about this protein and its source genome.

Accession
PA0546
Gene
metK PA0546
Status
annotated
Amino acids
396
Structure source
AlphaFold

Target profile

Computed evidence for target prioritization.

Human off-target
hit
Human identity (%)
56.452
Human E-value
1.35e-136
Gut microbiome off-target
hit
Essential (DEG)
Y
Localization
Cytoplasmic

Selected Druggability evidence

Selected Druggability is the FPocket score chosen for ranking using the curated structure priority. The 3D viewer may show a different loaded structure, so its visible pockets can differ.

FPocket 0.894
Structure
Pocket

Sequence

Primary amino-acid sequence viewer.

Functional Annotations

Enzyme classification and Gene Ontology terms linked to this protein.

1 EC 6 GO

Enzyme Commission (EC)

1

Gene Ontology (GO)

6
  • GO:0005829 The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
  • GO:0005524 Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
  • GO:0000287 Binding to a magnesium (Mg) ion.
  • GO:0004478 Catalysis of the reaction: ATP + L-methionine + H2O = phosphate + diphosphate + S-adenosyl-L-methionine.
  • GO:0006730 The chemical reactions and pathways involving the transfer of one-carbon units in various oxidation states.
  • GO:0006556 The chemical reactions and pathways resulting in the formation of S-adenosylmethionine, S-(5'-adenosyl)-L-methionine, an important intermediate in one-carbon metabolism.

Sequence Features

Domain/signature hits from InterPro and related databases.

29 records
Show feature table
Start End DB Term Name
6 392 NCBIfam TIGR01034 methionine adenosyltransferase
6 392 InterPro IPR002133 S-adenosylmethionine synthetase
4 388 PANTHER PTHR11964 S-ADENOSYLMETHIONINE SYNTHETASE
4 388 InterPro IPR002133 S-adenosylmethionine synthetase
117 127 ProSitePatterns PS00376 S-adenosylmethionine synthase signature 1.
117 127 InterPro IPR022631 S-adenosylmethionine synthetase, conserved site
7 385 CDD cd18079 S-AdoMet_synt
3 394 Hamap MF_00086 S-adenosylmethionine synthase [metK].
3 394 InterPro IPR002133 S-adenosylmethionine synthetase
1 394 PIRSF PIRSF000497 MAT
1 394 InterPro IPR002133 S-adenosylmethionine synthetase
6 110 SUPERFAMILY SSF55973 S-adenosylmethionine synthetase
6 110 InterPro IPR022636 S-adenosylmethionine synthetase superfamily
104 387 Gene3D G3DSA:3.30.300.10 -
234 367 Pfam PF02773 S-adenosylmethionine synthetase, C-terminal domain
234 367 InterPro IPR022630 S-adenosylmethionine synthetase, C-terminal
234 395 SUPERFAMILY SSF55973 S-adenosylmethionine synthetase
234 395 InterPro IPR022636 S-adenosylmethionine synthetase superfamily
115 232 Pfam PF02772 S-adenosylmethionine synthetase, central domain
115 232 InterPro IPR022629 S-adenosylmethionine synthetase, central domain
260 268 ProSitePatterns PS00377 S-adenosylmethionine synthase signature 2.
260 268 InterPro IPR022631 S-adenosylmethionine synthetase, conserved site
6 101 Pfam PF00438 S-adenosylmethionine synthetase, N-terminal domain
6 101 InterPro IPR022628 S-adenosylmethionine synthetase, N-terminal
135 235 FunFam G3DSA:3.30.300.10:FF:000003 S-adenosylmethionine synthase
12 271 Gene3D G3DSA:3.30.300.10 -
6 234 Gene3D G3DSA:3.30.300.10 -
112 233 SUPERFAMILY SSF55973 S-adenosylmethionine synthetase
112 233 InterPro IPR022636 S-adenosylmethionine synthetase superfamily

3D Structure

Selected loaded structure. Experimental PDB entries may cover only a portion of the sequence; predicted models typically cover the full protein.

3D visualization script Full viewer

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Structural evidence

0 + 1

Experimental PDB entries and predicted models. Click Switch to display a different structure in the viewer.

Entry Method Resolution Chain Coverage Links Status
AlphaFold PA0546
AlphaFold full sequence Viewing
Pocket details FPocket · P2Rank — toggle visibility and zoom from here, or open full viewer

Pockets (FPOCKET)

Showing top-ranked FPocket candidates by druggability. Druggability is color-coded: high (0.7 or higher), medium (0.4 to 0.69), low (below 0.4).

FPOCKET Sticks Spheres Surfaces Druggability Labels Zoom Positions
1 0.894
2 0.467

Ligand evidence

Ligands grouped by evidence source. PDB ligands keep the source crystal visible, and loaded crystals can be opened directly in the structure viewer.

168 records

Structural evidence inferred from similar proteins. The source crystal indicates where the ligand was observed; the UniProt column identifies the homologous protein carrying that ligand.

Show only:
Ligand Source crystal UniProt (homolog) MW · LogP · TPSA Lipinski PAINS SMILES
3PO Q5FAC0 258.0 Da LogP -0.69 TPSA 170.8 ✓ Ro5 ✓ Clean OP(=O)(O)OP(=O)(O)OP(=O)(O)O
ABP P0A817 506.1 Da LogP -0.98 TPSA 232.6 3 viol. ✓ Clean c1nc(c2c(n1)n(c(n2)Br)[C@H]3[C@@H]([C@@H]([C@H]…
ADN P31153 267.2 Da LogP -1.98 TPSA 139.5 ✓ Ro5 ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
ANP P0A817 506.2 Da LogP -2.06 TPSA 281.9 3 viol. ✓ Clean c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)…
J41 P31153 301.3 Da LogP 3.67 TPSA 50.2 ✓ Ro5 ✓ Clean CC1=CC(=O)n2c(c(c(n2)c3ccccc3)c4ccccc4)N1
MED P31153 149.2 Da LogP 0.15 TPSA 63.3 ✓ Ro5 ✓ Clean CSCC[C@H](C(=O)O)N
POP P31153 176.0 Da LogP -2.08 TPSA 129.9 ✓ Ro5 ✓ Clean O[P@@](=O)([O-])O[P@@](=O)(O)[O-]
PPK P31153 257.0 Da LogP -1.12 TPSA 173.6 1 viol. ✓ Clean N(P(=O)(O)O)[P@](=O)(O)OP(=O)(O)O
PPV P31153 178.0 Da LogP -0.81 TPSA 124.3 ✓ Ro5 ✓ Clean OP(=O)(O)OP(=O)(O)O
S7M P31153 413.5 Da LogP -1.53 TPSA 182.6 ✓ Ro5 ✓ Clean CC[S+](CC[C@@H](C(=O)O)N)C[C@@H]1[C@H]([C@H]([C…
TNW P31153 313.8 Da LogP 3.41 TPSA 38.1 ✓ Ro5 ✓ Clean Cc1cccc(c1)N2c3cc(ccc3C(=NC2=O)N(C)C)Cl
TNZ P31153 270.7 Da LogP 3.96 TPSA 35.0 ✓ Ro5 ✓ Clean COc1nc2ccc(cc2c(n1)c3ccccc3)Cl
TO5 P31153 300.7 Da LogP 2.50 TPSA 51.0 ✓ Ro5 ✓ Clean CN(C)C1=NC(=O)N(c2c1ccc(c2)Cl)c3cccnc3
TO8 P31153 223.7 Da LogP 1.64 TPSA 49.0 ✓ Ro5 ✓ Clean CN(C)C1=NC(=O)Nc2c1ccc(c2)Cl
TOW P31153 267.7 Da LogP 1.11 TPSA 58.4 ✓ Ro5 ✓ Clean CN(C)C1=NC(=O)N(c2c1ccc(c2)Cl)CCO
TQE P31153 184.2 Da LogP -0.37 TPSA 71.1 ✓ Ro5 ✓ Clean CCOC1=NC(=NC(=O)N1)N(C)C
U4P P31153 228.2 Da LogP -1.82 TPSA 104.6 ✓ Ro5 ✓ Clean C[C@@H]1[C@H]([C@H]([C@@H](O1)N2C=CC(=O)NC2=O)O…
YQP P31153 375.4 Da LogP -2.34 TPSA 167.9 ✓ Ro5 ✓ Clean C=S(CC[C@@H](C(=O)O)N)C[C@@H]1[C@H]([C@H]([C@@H…

PDB and ChEMBL records on this protein are shown in full. ChEMBL records from similar proteins are capped at the top 100 per protein (by pchembl) and ZINC at the top 50 (Tanimoto ≥ 0.5). ADME columns are descriptor-based screening flags, not experimental toxicity results.