5A1G

The structure of Human MAT2A in complex with S-adenosylethionine and PPNP.

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004478	molecular_function	methionine adenosyltransferase activity
A	0005515	molecular_function	protein binding
A	0005524	molecular_function	ATP binding
A	0005634	cellular_component	nucleus
A	0005829	cellular_component	cytosol
A	0006556	biological_process	S-adenosylmethionine biosynthetic process
A	0034214	biological_process	protein hexamerization
A	0036094	molecular_function	small molecule binding
A	0042802	molecular_function	identical protein binding
A	0048269	cellular_component	methionine adenosyltransferase complex
A	0051259	biological_process	protein complex oligomerization
A	0051291	biological_process	protein heterooligomerization
A	0061431	biological_process	cellular response to methionine
A	1904263	biological_process	positive regulation of TORC1 signaling

Functional Information from PDB Data

site_id	AC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE MPD A 400

Chain	Residue
A	GLY273
A	GLY275
A	ARG313
A	TYR335

---

site_id	AC2
Number of Residues	21
Details	BINDING SITE FOR RESIDUE PPK A 402

Chain	Residue
A	LYS265
A	GLY280
A	ALA281
A	LYS285
A	ASP291
A	S7M404
A	K405
A	MG406
A	MG407
A	HOH2008
A	HOH2015
A	HOH2208
A	HOH2209
A	HOH2273
A	HOH2274
A	HOH2275
A	HIS29
A	ASP31
A	ASP134
A	LYS181
A	ARG264

---

site_id	AC3
Number of Residues	4
Details	BINDING SITE FOR RESIDUE IMD A 403

Chain	Residue
A	PHE18
A	GLN190
A	GLU342
A	HOH2154

---

site_id	AC4
Number of Residues	24
Details	BINDING SITE FOR RESIDUE S7M A 404

Chain	Residue
A	HIS29
A	PRO30
A	ALA55
A	GLU70
A	GLN113
A	ASP116
A	ILE117
A	GLY133
A	ASP134
A	ASP179
A	LYS181
A	SER247
A	ARG249
A	PHE250
A	ASP258
A	LYS289
A	ILE322
A	PPK402
A	HOH2040
A	HOH2106
A	HOH2204
A	HOH2206
A	HOH2274
A	HOH2277

---

site_id	AC5
Number of Residues	7
Details	BINDING SITE FOR RESIDUE K A 405

Chain	Residue
A	GLU57
A	ASP258
A	ALA259
A	PPK402
A	MG406
A	HOH2014
A	HOH2035

---

site_id	AC6
Number of Residues	6
Details	BINDING SITE FOR RESIDUE MG A 406

Chain	Residue
A	ASP31
A	LYS265
A	PPK402
A	K405
A	HOH2014
A	HOH2015

---

site_id	AC7
Number of Residues	6
Details	BINDING SITE FOR RESIDUE MG A 407

Chain	Residue
A	ASP291
A	PPK402
A	HOH2006
A	HOH2008
A	HOH2273
A	HOH2276

---

Functional Information from PROSITE/UniProt

site_id	PS00376
Number of Residues	11
Details	ADOMET_SYNTHASE_1 S-adenosylmethionine synthase signature 1. GAGDQGlmfGY

Chain	Residue	Details
A	GLY131-TYR141

---

site_id	PS00377
Number of Residues	9
Details	ADOMET_SYNTHASE_2 S-adenosylmethionine synthase signature 2. GGGAFSgKD

Chain	Residue	Details
A	GLY278-ASP286

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	12
Details	Region: {"description":"Flexible loop","evidences":[{"source":"UniProtKB","id":"P0A817","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	2
Details	Binding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A19","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	1
Details	Binding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4KTT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A19","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	1
Details	Binding site: {"evidences":[{"source":"UniProtKB","id":"P0A817","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI5
Number of Residues	1
Details	Binding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI6
Number of Residues	1
Details	Binding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI7
Number of Residues	2
Details	Binding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4KTT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A19","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI8
Number of Residues	3
Details	Binding site: {"description":"in other chain","evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4KTT","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1G","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI9
Number of Residues	1
Details	Binding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"5A1I","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI10
Number of Residues	1
Details	Binding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI11
Number of Residues	2
Details	Binding site: {"evidences":[{"source":"PubMed","id":"25075345","evidenceCode":"ECO:0000305"},{"source":"PubMed","id":"26858410","evidenceCode":"ECO:0000305"},{"source":"PDB","id":"4NDN","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI12
Number of Residues	1
Details	Binding site: {"description":"in other chain","evidences":[{"source":"UniProtKB","id":"P0A817","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI13
Number of Residues	1
Details	Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI14
Number of Residues	1
Details	Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI15
Number of Residues	1
Details	Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI16
Number of Residues	3
Details	Cross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

Catalytic Information from CSA

site_id	MCSA1
Number of Residues	14
Details	M-CSA 9

Chain	Residue	Details
A	HIS29	proton acceptor, proton donor
A	ARG264	electrostatic stabiliser
A	LYS265	electrostatic stabiliser
A	LYS285	electrostatic stabiliser
A	LYS289	electrostatic stabiliser
A	ASP291	electrostatic stabiliser
A	ASP31	electrostatic stabiliser, metal ligand
A	LYS32	electrostatic stabiliser
A	GLU57	metal ligand
A	GLU70	electrostatic stabiliser, steric role
A	LYS181	electrostatic stabiliser
A	PHE250	steric role
A	ASP258	electrostatic stabiliser, metal ligand, steric role
A	ALA259	metal ligand

---