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1P7L

S-Adenosylmethionine synthetase complexed with AMPPNP and Met.

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000287molecular_functionmagnesium ion binding
A0004478molecular_functionmethionine adenosyltransferase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006556biological_processS-adenosylmethionine biosynthetic process
A0006730biological_processone-carbon metabolic process
A0016740molecular_functiontransferase activity
A0030955molecular_functionpotassium ion binding
A0033353biological_processS-adenosylmethionine cycle
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
B0000166molecular_functionnucleotide binding
B0000287molecular_functionmagnesium ion binding
B0004478molecular_functionmethionine adenosyltransferase activity
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0005737cellular_componentcytoplasm
B0005829cellular_componentcytosol
B0006556biological_processS-adenosylmethionine biosynthetic process
B0006730biological_processone-carbon metabolic process
B0016740molecular_functiontransferase activity
B0030955molecular_functionpotassium ion binding
B0033353biological_processS-adenosylmethionine cycle
B0042802molecular_functionidentical protein binding
B0046872molecular_functionmetal ion binding
C0000166molecular_functionnucleotide binding
C0000287molecular_functionmagnesium ion binding
C0004478molecular_functionmethionine adenosyltransferase activity
C0005515molecular_functionprotein binding
C0005524molecular_functionATP binding
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006556biological_processS-adenosylmethionine biosynthetic process
C0006730biological_processone-carbon metabolic process
C0016740molecular_functiontransferase activity
C0030955molecular_functionpotassium ion binding
C0033353biological_processS-adenosylmethionine cycle
C0042802molecular_functionidentical protein binding
C0046872molecular_functionmetal ion binding
D0000166molecular_functionnucleotide binding
D0000287molecular_functionmagnesium ion binding
D0004478molecular_functionmethionine adenosyltransferase activity
D0005515molecular_functionprotein binding
D0005524molecular_functionATP binding
D0005737cellular_componentcytoplasm
D0005829cellular_componentcytosol
D0006556biological_processS-adenosylmethionine biosynthetic process
D0006730biological_processone-carbon metabolic process
D0016740molecular_functiontransferase activity
D0030955molecular_functionpotassium ion binding
D0033353biological_processS-adenosylmethionine cycle
D0042802molecular_functionidentical protein binding
D0046872molecular_functionmetal ion binding
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE K A 386
ChainResidue
AASP238
ACYS239
AANP384
BGLU42

site_idAC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG A 387
ChainResidue
ALYS245
AANP384

site_idAC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG A 388
ChainResidue
AASP16
AANP384

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE K B 486
ChainResidue
BASP238
BCYS239
BANP484
AGLU42

site_idAC5
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG B 487
ChainResidue
BLYS245
BANP484

site_idAC6
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG B 488
ChainResidue
BASP16
BANP484

site_idAC7
Number of Residues4
DetailsBINDING SITE FOR RESIDUE K C 686
ChainResidue
CASP238
CCYS239
CPPK684
DGLU42

site_idAC8
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG D 687
ChainResidue
CPPK684
DASP118
DASP271

site_idAC9
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG C 688
ChainResidue
CASP16
CPPK684

site_idBC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE K D 886
ChainResidue
CGLU42
DASP238
DCYS239
DPPK884

site_idBC2
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG C 887
ChainResidue
CASP271
DPPK884

site_idBC3
Number of Residues2
DetailsBINDING SITE FOR RESIDUE MG D 888
ChainResidue
DASP16
DPPK884

site_idBC4
Number of Residues22
DetailsBINDING SITE FOR RESIDUE SAM C 685
ChainResidue
CHIS14
CPRO15
CASP163
CLYS165
CTHR227
CARG229
CPHE230
CASP238
CPPK684
CHOH700
CHOH702
CHOH711
CHOH716
DALA40
DGLU55
DGLN98
DASP101
DILE102
DGLY117
DASP118
DLYS269
DILE302

site_idBC5
Number of Residues21
DetailsBINDING SITE FOR RESIDUE SAM C 885
ChainResidue
CALA40
CGLU55
CGLN98
CASP101
CILE102
CGLY117
CASP118
CLYS269
CILE302
CHOH900
CHOH902
DHIS14
DPRO15
DASP163
DLYS165
DTHR227
DARG229
DPHE230
DASP238
DPPK884
DHOH916

site_idBC6
Number of Residues24
DetailsBINDING SITE FOR RESIDUE ANP A 384
ChainResidue
BMET385
AHIS14
APRO15
AASP16
AASP163
ALYS165
ASER186
AARG229
APHE230
AASP238
AARG244
ALYS245
AK386
AMG387
AMG388
AHOH411
AHOH413
BILE102
BASP118
BGLY259
BGLY260
BALA261
BLYS265
BASP271

site_idBC7
Number of Residues12
DetailsBINDING SITE FOR RESIDUE MET B 385
ChainResidue
AASP238
AANP384
AHOH401
BALA40
BGLU55
BGLN98
BILE102
BGLY117
BASP118
BLYS269
BILE302
BHOH400

site_idBC8
Number of Residues25
DetailsBINDING SITE FOR RESIDUE ANP B 484
ChainResidue
AASP101
AILE102
AASP118
AGLY259
AGLY260
AALA261
ALYS265
AASP271
AMET485
AHOH530
BHIS14
BPRO15
BASP16
BASP163
BLYS165
BSER186
BARG229
BPHE230
BASP238
BARG244
BLYS245
BK486
BMG487
BMG488
BHOH513

site_idBC9
Number of Residues12
DetailsBINDING SITE FOR RESIDUE MET A 485
ChainResidue
AALA40
AGLU55
AGLN98
AILE102
AGLY117
AASP118
ALYS269
AILE302
AHOH500
AHOH501
BASP238
BANP484

site_idCC1
Number of Residues15
DetailsBINDING SITE FOR RESIDUE PPK C 684
ChainResidue
CHIS14
CASP16
CLYS165
CARG244
CLYS245
CSAM685
CK686
CMG688
DASP118
DGLY259
DGLY260
DALA261
DLYS265
DASP271
DMG687

site_idCC2
Number of Residues16
DetailsBINDING SITE FOR RESIDUE PPK D 884
ChainResidue
CASP118
CGLY259
CGLY260
CALA261
CLYS265
CASP271
CSAM885
CMG887
CHOH930
DHIS14
DASP16
DLYS165
DARG244
DLYS245
DK886
DMG888

Functional Information from PROSITE/UniProt
site_idPS00376
Number of Residues11
DetailsADOMET_SYNTHASE_1 S-adenosylmethionine synthase signature 1. GAGDQGlmfGY
ChainResidueDetails
AGLY115-TYR125

site_idPS00377
Number of Residues9
DetailsADOMET_SYNTHASE_2 S-adenosylmethionine synthase signature 2. GGGAFSgKD
ChainResidueDetails
AGLY258-ASP266

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues40
DetailsRegion: {"description":"Flexible loop","evidences":[{"source":"HAMAP-Rule","id":"MF_00086","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"14967023","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues32
DetailsBinding site: {"description":"in other chain","evidences":[{"source":"HAMAP-Rule","id":"MF_00086","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"14967023","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1P7L","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RG9","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues12
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00086","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"14967023","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1P7L","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RG9","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00086","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"14967023","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"7629147","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"1MXC","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1P7L","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"1RG9","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"HAMAP-Rule","id":"MF_00086","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"14967023","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1P7L","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"18723842","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues7
DetailsAnnotated By Reference To The Literature 1fug
ChainResidueDetails
ALYS245
AHIS14
ALYS165
AARG244
BLYS269
BLYS265
BASP271

site_idCSA2
Number of Residues7
DetailsAnnotated By Reference To The Literature 1fug
ChainResidueDetails
ALYS269
ALYS265
AASP271
BLYS245
BHIS14
BLYS165
BARG244

site_idCSA3
Number of Residues7
DetailsAnnotated By Reference To The Literature 1fug
ChainResidueDetails
CLYS245
CHIS14
CLYS165
CARG244
DLYS269
DLYS265
DASP271

site_idCSA4
Number of Residues7
DetailsAnnotated By Reference To The Literature 1fug
ChainResidueDetails
CLYS269
CLYS265
CASP271
DLYS245
DHIS14
DLYS165
DARG244

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PDB entries from 2026-03-18

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