Annotations: 4KTT

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4ktta1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B	d4kttb1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C	d4kttc1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D	d4kttd1	Alpha and beta proteins (a+b)	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	S-adenosylmethionine synthetase	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E	d4ktte_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F	d4kttf_	Alpha and beta proteins (a/b)	NAD(P)-binding Rossmann-fold domains	NAD(P)-binding Rossmann-fold domains	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035289	3000766	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035292	3000766	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035293	3000766	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035289	3000766	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035292	3000766	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035293	3000766	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035292	3000766	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035289	3000766	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035293	3000766	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035289	3000766	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035293	3000766	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	S-adenosylmethionine synthetase	8035292	3000766	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	SDR-like	8088242	3000038	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	SDR-like	8088242	3000038	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	S-AdoMet_synt_C	e4kttA1	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	S-AdoMet_synt_M	e4kttA2	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	S-AdoMet_synt_N	e4kttA3	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)
B	S-AdoMet_synt_C	e4kttB1	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	S-AdoMet_synt_M	e4kttB2	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	S-AdoMet_synt_N	e4kttB3	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	S-AdoMet_synt_C	e4kttC1	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	S-AdoMet_synt_M	e4kttC2	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	S-AdoMet_synt_N	e4kttC3	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	e4kttD1	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	e4kttD2	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	e4kttD3	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)
E	RmlD_sub_bind	e4kttE1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: RmlD_sub_bind	ECOD (1.6)
F	RmlD_sub_bind	e4kttF1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: NAD(P)-binding Rossmann-fold domains	F: RmlD_sub_bind	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.300.10	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)
B	3.30.300.10	Alpha Beta	2-Layer Sandwich	GMP Synthetase	Chain A, domain 3	CATH (4.3.0)
C	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)
E	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
F	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, 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, B, C, 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, B, C, 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
E, F	PF04321	RmlD substrate binding domain (RmlD_sub_bind)	RmlD substrate binding domain	L-rhamnose is a saccharide required for the virulence of some bacteria. Its precursor, dTDP-L-rhamnose, is synthesised by four different enzymes the final one of which is RmlD. The RmlD substrate binding domain is responsi ...	L-rhamnose is a saccharide required for the virulence of some bacteria. Its precursor, dTDP-L-rhamnose, is synthesised by four different enzymes the final one of which is RmlD. The RmlD substrate binding domain is responsible for binding a sugar nucleotide [1,2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	S-adenosylmethionine synthase isoform type-2	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding methionine adenosyltransferase activity transferase activity transferase activity, transferring alkyl or aryl (other than methyl) groups catalytic activity cation binding metal ion binding identical protein binding protein binding	cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction positive regulation of TORC1 signaling intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction positive regulation of TOR signaling cellular response to stimulus positive regulation of cell communication regulation of cellular process positive regulation of signal transduction response to stimulus signaling positive regulation of biological process regulation of signal transduction positive regulation of TORC1 signaling intracellular signal transduction cell communication positive regulation of response to stimulus regulation of intracellular signal transduction positive regulation of TOR signaling signal transduction regulation of TORC1 signaling positive regulation of cellular process TOR signaling regulation of biological process regulation of signaling regulation of TOR signaling biological regulation positive regulation of intracellular signal transduction regulation of response to stimulus regulation of cell communication cellular process TORC1 signaling positive regulation of signaling cellular response to acid chemical cellular response to nitrogen compound cellular response to amino acid stimulus response to nutrient levels cellular response to endogenous stimulus cellular response to methionine response to organonitrogen compound response to endogenous stimulus response to nutrient response to oxygen-containing compound response to nitrogen compound response to amino acid cellular response to oxygen-containing compound cellular response to nutrient levels response to acid chemical cellular response to chemical stimulus cellular response to organonitrogen compound response to methionine response to chemical cellular response to nutrient cellular metabolic process small molecule metabolic process metabolic process one-carbon metabolic process cellular component organization cellular component biogenesis protein hexamerization cellular component assembly protein-containing complex organization protein complex oligomerization protein-containing complex assembly cellular component organization or biogenesis sulfur compound biosynthetic process biosynthetic process S-adenosylmethionine biosynthetic process cellular biosynthetic process S-adenosylmethionine metabolic process sulfur compound metabolic process protein heterooligomerization response to peptide response to cytokine response to leukemia inhibitory factor cellular response to cytokine stimulus cellular response to leukemia inhibitory factor	protein-containing complex catalytic complex methionine adenosyltransferase complex transferase complex intracellular protein-containing complex intracellular anatomical structure cytoplasm cellular anatomical entity cytosol
E, F	Methionine adenosyltransferase 2 subunit beta	enzyme regulator activity methionine adenosyltransferase regulator activity molecular function regulator activity protein binding binding enzyme binding	sulfur compound biosynthetic process biosynthetic process S-adenosylmethionine biosynthetic process cellular biosynthetic process cellular metabolic process S-adenosylmethionine metabolic process sulfur compound metabolic process metabolic process cellular process small molecule metabolic process one-carbon metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex methionine adenosyltransferase complex transferase complex intracellular protein-containing complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex catalytic complex methionine adenosyltransferase complex transferase complex intracellular protein-containing complex extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR022636	S-adenosylmethionine synthetase superfamily	Homologous Superfamily
A, B, C, D	IPR022629	S-adenosylmethionine synthetase, central domain	Domain
A, B, C, D	IPR022628	S-adenosylmethionine synthetase, N-terminal	Domain
A, B, C, D	IPR022631	S-adenosylmethionine synthetase, conserved site	Conserved Site
A, B, C, D	IPR022630	S-adenosylmethionine synthetase, C-terminal	Domain
A, B, C, D	IPR002133	S-adenosylmethionine synthetase	Family
E, F	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
E, F	IPR029903	RmlD-like substrate binding domain	Domain
E, F	IPR005913	dTDP-4-dehydrorhamnose reductase family	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: P31153	oligodendroglioma pancreatic ductal adenocarcinoma progressive supranuclear palsy thoracic aortic aneurysm Alzheimer disease breast carcinoma Down syndrome IgA glomerulonephritis lymphoplasmacytic lymphoma malignant pancreatic neoplasm myocardial infarction osteosarcoma Pick disease prostate carcinoma astrocytic tumor oligodendroglioma pancreatic ductal adenocarcinoma progressive supranuclear palsy thoracic aortic aneurysm Alzheimer disease breast carcinoma Down syndrome IgA glomerulonephritis lymphoplasmacytic lymphoma malignant pancreatic neoplasm myocardial infarction osteosarcoma Pick disease prostate carcinoma astrocytic tumor chronic obstructive pulmonary disease glioblastoma large cell medulloblastoma malignant ependymoma Marfan syndrome non-small cell lung carcinoma ovarian carcinoma primitive neuroectodermal tumor sinusitis atypical teratoid rhabdoid tumor dermatomyositis heart disease lung adenocarcinoma malignant glioma medulloblastoma
E, F	Pharos: Q9NZL9	attention deficit hyperactivity disorder, inattentive type ovarian cancer lung adenocarcinoma plasma cell myeloma multiple sclerosis Sjogren syndrome

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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.