Annotations: 5H9U

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth A]	d5h9ua1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	automated matches	automated matches	(Thermus thermophilus HB27 ) [TaxId: 262724 ],	SCOPe (2.08)
A [auth C]	d5h9uc1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	automated matches	automated matches	(Thermus thermophilus HB27 ) [TaxId: 262724 ],	SCOPe (2.08)
C [auth B]	d5h9ub1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	automated matches	automated matches	(Thermus thermophilus HB27 ) [TaxId: 262724 ],	SCOPe (2.08)
D	d5h9ud1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	automated matches	automated matches	(Thermus thermophilus HB27 ) [TaxId: 262724 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B [auth A]	S-AdoMet_synt_C	e5h9uA1	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_C	ECOD (1.6)
B [auth A]	S-AdoMet_synt_M	e5h9uA3	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_M	ECOD (1.6)
B [auth A]	S-AdoMet_synt_N	e5h9uA2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_N	ECOD (1.6)
A [auth C]	S-AdoMet_synt_C	e5h9uC3	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_C	ECOD (1.6)
A [auth C]	S-AdoMet_synt_M	e5h9uC2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_M	ECOD (1.6)
A [auth C]	S-AdoMet_synt_N	e5h9uC1	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_N	ECOD (1.6)
C [auth B]	S-AdoMet_synt_C	e5h9uB2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_C	ECOD (1.6)
C [auth B]	S-AdoMet_synt_M	e5h9uB3	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_M	ECOD (1.6)
C [auth B]	S-AdoMet_synt_N	e5h9uB1	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_N	ECOD (1.6)
D	S-AdoMet_synt_C	e5h9uD2	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_C	ECOD (1.6)
D	S-AdoMet_synt_M	e5h9uD3	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_M	ECOD (1.6)
D	S-AdoMet_synt_N	e5h9uD1	A: a+b two layers	X: Alpha-lytic protease prodomain-like	H: S-adenosylmethionine synthetase (From Topology)	T: S-adenosylmethionine synthetase	F: S-AdoMet_synt_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B [auth A]	3.30.300.10	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)
A [auth C]	3.30.300.10	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)
C [auth B]	3.30.300.10	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)
D	3.30.300.10	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth C], B [auth A], C [auth B], D	PF00438	S-adenosylmethionine synthetase, N-terminal domain (S-AdoMet_synt_N)	S-adenosylmethionine synthetase, N-terminal domain	The three domains of S-adenosylmethionine synthetase have the same alpha+beta fold.	Domain
A [auth C], B [auth A], C [auth B], D	PF02773	S-adenosylmethionine synthetase, C-terminal domain (S-AdoMet_synt_C)	S-adenosylmethionine synthetase, C-terminal domain	The three domains of S-adenosylmethionine synthetase have the same alpha+beta fold.	Domain
A [auth C], B [auth A], C [auth B], D	PF02772	S-adenosylmethionine synthetase, central domain (S-AdoMet_synt_M)	S-adenosylmethionine synthetase, central domain	The three domains of S-adenosylmethionine synthetase have the same alpha+beta fold.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth C], B [auth A], C [auth B], D	S-adenosylmethionine synthase	cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding cation binding magnesium ion binding ion binding binding metal ion binding small molecule binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding methionine adenosyltransferase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity	cellular biosynthetic process cellular metabolic process sulfur compound biosynthetic process organic substance metabolic process biosynthetic process S-adenosylmethionine biosynthetic process S-adenosylmethionine metabolic process organic substance biosynthetic process sulfur compound metabolic process metabolic process cellular process small molecule metabolic process one-carbon metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth C], B [auth A], C [auth B], D	IPR022631	S-adenosylmethionine synthetase, conserved site	Conserved Site
A [auth C], B [auth A], C [auth B], D	IPR022630	S-adenosylmethionine synthetase, C-terminal	Domain
A [auth C], B [auth A], C [auth B], D	IPR002133	S-adenosylmethionine synthetase	Family
A [auth C], B [auth A], C [auth B], D	IPR022636	S-adenosylmethionine synthetase superfamily	Homologous Superfamily
A [auth C], B [auth A], C [auth B], D	IPR022629	S-adenosylmethionine synthetase, central domain	Domain
A [auth C], B [auth A], C [auth B], D	IPR022628	S-adenosylmethionine synthetase, N-terminal	Domain

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.