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5A1I

The structure of Human MAT2A in complex with SAM, Adenosine, Methionine and PPNP.

Functional Information from GO Data
ChainGOidnamespacecontents
A0004478molecular_functionmethionine adenosyltransferase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005829cellular_componentcytosol
A0006556biological_processS-adenosylmethionine biosynthetic process
A0006730biological_processone-carbon metabolic process
A0016740molecular_functiontransferase activity
A0034214biological_processprotein hexamerization
A0036094molecular_functionsmall molecule binding
A0042802molecular_functionidentical protein binding
A0046872molecular_functionmetal ion binding
A0048269cellular_componentmethionine adenosyltransferase complex
A0051291biological_processprotein heterooligomerization
A0061431biological_processcellular response to methionine
A1904263biological_processpositive regulation of TORC1 signaling
A1990830biological_processcellular response to leukemia inhibitory factor
Functional Information from PDB Data
site_idAC1
Number of Residues21
DetailsBINDING SITE FOR RESIDUE PPK A 400
ChainResidue
AHIS29
AMG401
AMG402
AK403
ASAM405
AHOH1047
AHOH1057
AHOH1109
AHOH1278
AHOH1279
AHOH1330
AASP31
AHOH1362
AHOH1395
AASP134
ALYS181
AARG264
ALYS265
AALA281
ALYS285
AASP291

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE MG A 401
ChainResidue
AASP31
ALYS265
APPK400
AHOH1047
AHOH1278

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 402
ChainResidue
APPK400
AHOH1057
AHOH1279
AHOH1330

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE K A 403
ChainResidue
AGLU57
AASP258
AALA259
APPK400
AHOH1441

site_idAC5
Number of Residues5
DetailsBINDING SITE FOR RESIDUE K A 404
ChainResidue
AMET138
APHE139
AHIS277
AGLY278
AHOH1067

site_idAC6
Number of Residues22
DetailsBINDING SITE FOR RESIDUE SAM A 405
ChainResidue
AHIS29
APRO30
AALA55
AGLU70
AGLN113
AASP116
AILE117
AASP134
AASP179
ALYS181
ASER247
AARG249
APHE250
AASP258
ALYS289
APPK400
AHOH1021
AHOH1037
AHOH1084
AHOH1362
AHOH1442
AHOH1443

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PEG A 408
ChainResidue
ALYS350
ALYS351
AASN352
APHE353
AHOH1197

site_idAC8
Number of Residues7
DetailsBINDING SITE FOR RESIDUE PG4 A 412
ChainResidue
AGLN190
AGLY193
AARG313
APHE333
ATYR335
AHOH1591
AHOH1591

Functional Information from PROSITE/UniProt
site_idPS00376
Number of Residues11
DetailsADOMET_SYNTHASE_1 S-adenosylmethionine synthase signature 1. GAGDQGlmfGY
ChainResidueDetails
AGLY131-TYR141

site_idPS00377
Number of Residues9
DetailsADOMET_SYNTHASE_2 S-adenosylmethionine synthase signature 2. GGGAFSgKD
ChainResidueDetails
AGLY278-ASP286

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues2
DetailsBINDING: in other chain => ECO:0000305|PubMed:25075345, ECO:0000305|PubMed:26858410, ECO:0007744|PDB:4NDN, ECO:0007744|PDB:5A19
ChainResidueDetails
AHIS29
AARG264

site_idSWS_FT_FI2
Number of Residues1
DetailsBINDING: BINDING => ECO:0000305|PubMed:25075345, ECO:0000305|PubMed:26858410, ECO:0007744|PDB:4KTT, ECO:0007744|PDB:4NDN, ECO:0007744|PDB:5A19, ECO:0007744|PDB:5A1G, ECO:0007744|PDB:5A1I
ChainResidueDetails
AASP31

site_idSWS_FT_FI3
Number of Residues1
DetailsBINDING: BINDING => ECO:0000250|UniProtKB:P0A817
ChainResidueDetails
AGLU57

site_idSWS_FT_FI4
Number of Residues1
DetailsBINDING: in other chain => ECO:0000305|PubMed:25075345, ECO:0007744|PDB:4NDN
ChainResidueDetails
AGLU70

site_idSWS_FT_FI5
Number of Residues1
DetailsBINDING: in other chain => ECO:0000305|PubMed:25075345
ChainResidueDetails
AGLN113

site_idSWS_FT_FI6
Number of Residues1
DetailsBINDING: in other chain => ECO:0000305|PubMed:25075345, ECO:0000305|PubMed:26858410, ECO:0007744|PDB:4KTT, ECO:0007744|PDB:4NDN, ECO:0007744|PDB:5A19, ECO:0007744|PDB:5A1G, ECO:0007744|PDB:5A1I
ChainResidueDetails
AASP179

site_idSWS_FT_FI7
Number of Residues1
DetailsBINDING: in other chain => ECO:0000305|PubMed:25075345, ECO:0000305|PubMed:26858410, ECO:0007744|PDB:4KTT, ECO:0007744|PDB:4NDN, ECO:0007744|PDB:5A1G, ECO:0007744|PDB:5A1I
ChainResidueDetails
ASER247

site_idSWS_FT_FI8
Number of Residues1
DetailsBINDING: BINDING => ECO:0000305|PubMed:25075345, ECO:0000305|PubMed:26858410, ECO:0007744|PDB:4NDN, ECO:0007744|PDB:5A1I
ChainResidueDetails
AASP258

site_idSWS_FT_FI9
Number of Residues1
DetailsBINDING: BINDING => ECO:0000305|PubMed:25075345, ECO:0007744|PDB:4NDN
ChainResidueDetails
AALA281

site_idSWS_FT_FI10
Number of Residues2
DetailsBINDING: BINDING => ECO:0000305|PubMed:25075345, ECO:0000305|PubMed:26858410, ECO:0007744|PDB:4NDN
ChainResidueDetails
ALYS285
AASP291

site_idSWS_FT_FI11
Number of Residues1
DetailsBINDING: in other chain => ECO:0000250|UniProtKB:P0A817
ChainResidueDetails
ALYS289

site_idSWS_FT_FI12
Number of Residues1
DetailsMOD_RES: N6-acetyllysine => ECO:0007744|PubMed:19608861
ChainResidueDetails
ALYS81

site_idSWS_FT_FI13
Number of Residues1
DetailsMOD_RES: Phosphoserine => ECO:0007744|PubMed:18669648
ChainResidueDetails
ASER114

site_idSWS_FT_FI14
Number of Residues1
DetailsMOD_RES: Phosphoserine => ECO:0007744|PubMed:23186163
ChainResidueDetails
ASER384

site_idSWS_FT_FI15
Number of Residues3
DetailsCROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2) => ECO:0007744|PubMed:28112733
ChainResidueDetails
ALYS228
ALYS234

Catalytic Information from CSA
site_idMCSA1
Number of Residues14
DetailsM-CSA 9
ChainResidueDetails
AHIS29proton acceptor, proton donor
AARG264electrostatic stabiliser
ALYS265electrostatic stabiliser
ALYS285electrostatic stabiliser
ALYS289electrostatic stabiliser
AASP291electrostatic stabiliser
AASP31electrostatic stabiliser, metal ligand
ALYS32electrostatic stabiliser
AGLU57metal ligand
AGLU70electrostatic stabiliser, steric role
ALYS181electrostatic stabiliser
APHE250steric role
AASP258electrostatic stabiliser, metal ligand, steric role
AALA259metal ligand

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PDB entries from 2024-11-06

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