Annotations: 3PXG

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth a]	SCOP2B Superfamily	Adapter protein MecA, C-terminal domain-like	8092883	3002637	SCOP2B (2022-06-29)
C [auth b]	SCOP2B Superfamily	Adapter protein MecA, C-terminal domain-like	8092883	3002637	SCOP2B (2022-06-29)
E [auth c]	SCOP2B Superfamily	Adapter protein MecA, C-terminal domain-like	8092883	3002637	SCOP2B (2022-06-29)
G [auth d]	SCOP2B Superfamily	Adapter protein MecA, C-terminal domain-like	8092883	3002637	SCOP2B (2022-06-29)
I [auth e]	SCOP2B Superfamily	Adapter protein MecA, C-terminal domain-like	8092883	3002637	SCOP2B (2022-06-29)
K [auth f]	SCOP2B Superfamily	Adapter protein MecA, C-terminal domain-like	8092883	3002637	SCOP2B (2022-06-29)
B [auth A]	SCOP2B Superfamily	Double Clp-N motif	8082865	3001383	SCOP2B (2022-06-29)
D [auth B]	SCOP2B Superfamily	Double Clp-N motif	8082865	3001383	SCOP2B (2022-06-29)
F [auth C]	SCOP2B Superfamily	Double Clp-N motif	8082865	3001383	SCOP2B (2022-06-29)
H [auth D]	SCOP2B Superfamily	Double Clp-N motif	8082865	3001383	SCOP2B (2022-06-29)
J [auth E]	SCOP2B Superfamily	Double Clp-N motif	8082865	3001383	SCOP2B (2022-06-29)
L [auth F]	SCOP2B Superfamily	Double Clp-N motif	8082865	3001383	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 [auth a]	MecA_C	e3pxga1	A: a+b two layers	X: Alpha-beta plaits	H: Adapter protein mecA 2 C-terminal domain (From Topology)	T: Adapter protein mecA 2 C-terminal domain	F: MecA_C	ECOD (1.6)
C [auth b]	MecA_C	e3pxgb1	A: a+b two layers	X: Alpha-beta plaits	H: Adapter protein mecA 2 C-terminal domain (From Topology)	T: Adapter protein mecA 2 C-terminal domain	F: MecA_C	ECOD (1.6)
E [auth c]	MecA_C	e3pxgc1	A: a+b two layers	X: Alpha-beta plaits	H: Adapter protein mecA 2 C-terminal domain (From Topology)	T: Adapter protein mecA 2 C-terminal domain	F: MecA_C	ECOD (1.6)
G [auth d]	MecA_C	e3pxgd1	A: a+b two layers	X: Alpha-beta plaits	H: Adapter protein mecA 2 C-terminal domain (From Topology)	T: Adapter protein mecA 2 C-terminal domain	F: MecA_C	ECOD (1.6)
I [auth e]	MecA_C	e3pxge1	A: a+b two layers	X: Alpha-beta plaits	H: Adapter protein mecA 2 C-terminal domain (From Topology)	T: Adapter protein mecA 2 C-terminal domain	F: MecA_C	ECOD (1.6)
K [auth f]	MecA_C	e3pxgf1	A: a+b two layers	X: Alpha-beta plaits	H: Adapter protein mecA 2 C-terminal domain (From Topology)	T: Adapter protein mecA 2 C-terminal domain	F: MecA_C	ECOD (1.6)
B [auth A]	Clp_N	e3pxgA3	A: alpha arrays	X: Histone-like	H: Histone-related	T: double Clp-N	F: Clp_N	ECOD (1.6)
B [auth A]	chaperone_ClpB	e3pxgA2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: chaperone_ClpB	ECOD (1.6)
B [auth A]	Sigma54_activat	e3pxgA1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
D [auth B]	Clp_N	e3pxgB3	A: alpha arrays	X: Histone-like	H: Histone-related	T: double Clp-N	F: Clp_N	ECOD (1.6)
D [auth B]	chaperone_ClpB	e3pxgB2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: chaperone_ClpB	ECOD (1.6)
D [auth B]	Sigma54_activat	e3pxgB1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
F [auth C]	Clp_N	e3pxgC3	A: alpha arrays	X: Histone-like	H: Histone-related	T: double Clp-N	F: Clp_N	ECOD (1.6)
F [auth C]	chaperone_ClpB	e3pxgC1	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: chaperone_ClpB	ECOD (1.6)
F [auth C]	Sigma54_activat	e3pxgC2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
H [auth D]	Clp_N	e3pxgD1	A: alpha arrays	X: Histone-like	H: Histone-related	T: double Clp-N	F: Clp_N	ECOD (1.6)
H [auth D]	chaperone_ClpB	e3pxgD3	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: chaperone_ClpB	ECOD (1.6)
H [auth D]	Sigma54_activat	e3pxgD2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
J [auth E]	Clp_N	e3pxgE1	A: alpha arrays	X: Histone-like	H: Histone-related	T: double Clp-N	F: Clp_N	ECOD (1.6)
J [auth E]	chaperone_ClpB	e3pxgE2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: chaperone_ClpB	ECOD (1.6)
J [auth E]	Sigma54_activat	e3pxgE3	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)
L [auth F]	Clp_N	e3pxgF3	A: alpha arrays	X: Histone-like	H: Histone-related	T: double Clp-N	F: Clp_N	ECOD (1.6)
L [auth F]	chaperone_ClpB	e3pxgF2	A: alpha arrays	X: Histone-like	H: Histone-related	T: AAA+ ATPase lid domain	F: chaperone_ClpB	ECOD (1.6)
L [auth F]	Sigma54_activat	e3pxgF1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Sigma54_activat	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth a]	3.30.70.1950	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
C [auth b]	3.30.70.1950	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
E [auth c]	3.30.70.1950	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
G [auth d]	3.30.70.1950	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
I [auth e]	3.30.70.1950	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
K [auth f]	3.30.70.1950	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits		CATH (4.3.0)
B [auth A]	1.10.1780.10	Mainly Alpha	Orthogonal Bundle	Double Clp-N motif	Clp, N-terminal domain	CATH (4.3.0)
B [auth A]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
B [auth A]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
B [auth A]	4.10.860.10	Few Secondary Structures	Irregular	DNA Excision Repair, Uvrb	Chain A	CATH (4.3.0)
D [auth B]	1.10.1780.10	Mainly Alpha	Orthogonal Bundle	Double Clp-N motif	Clp, N-terminal domain	CATH (4.3.0)
D [auth B]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
D [auth B]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
D [auth B]	4.10.860.10	Few Secondary Structures	Irregular	DNA Excision Repair, Uvrb	Chain A	CATH (4.3.0)
F [auth C]	1.10.1780.10	Mainly Alpha	Orthogonal Bundle	Double Clp-N motif	Clp, N-terminal domain	CATH (4.3.0)
F [auth C]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
F [auth C]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
F [auth C]	4.10.860.10	Few Secondary Structures	Irregular	DNA Excision Repair, Uvrb	Chain A	CATH (4.3.0)
H [auth D]	1.10.1780.10	Mainly Alpha	Orthogonal Bundle	Double Clp-N motif	Clp, N-terminal domain	CATH (4.3.0)
H [auth D]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
H [auth D]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
H [auth D]	4.10.860.10	Few Secondary Structures	Irregular	DNA Excision Repair, Uvrb	Chain A	CATH (4.3.0)
J [auth E]	1.10.1780.10	Mainly Alpha	Orthogonal Bundle	Double Clp-N motif	Clp, N-terminal domain	CATH (4.3.0)
J [auth E]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
J [auth E]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
J [auth E]	4.10.860.10	Few Secondary Structures	Irregular	DNA Excision Repair, Uvrb	Chain A	CATH (4.3.0)
L [auth F]	1.10.1780.10	Mainly Alpha	Orthogonal Bundle	Double Clp-N motif	Clp, N-terminal domain	CATH (4.3.0)
L [auth F]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
L [auth F]	1.10.8.60	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
L [auth F]	4.10.860.10	Few Secondary Structures	Irregular	DNA Excision Repair, Uvrb	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	PF17871	AAA lid domain (AAA_lid_9)	AAA lid domain	This entry represents the alpha helical AAA+ lid domain that is found to the C-terminus of AAA domains.	Domain
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	PF02861	Clp amino terminal domain, pathogenicity island component (Clp_N)	Clp amino terminal domain, pathogenicity island component	-	Family
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	PF00004	ATPase family associated with various cellular activities (AAA) (AAA)	ATPase family associated with various cellular activities (AAA)	AAA family proteins often perform chaperone-like functions that assist in the assembly, operation, or disassembly of protein complexes [2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth a], C [auth b], E [auth c], G [auth d], I [auth e], A [auth a], C [auth b], E [auth c], G [auth d], I [auth e], K [auth f]	Adapter protein mecA 1	protein-macromolecule adaptor activity molecular adaptor activity	DNA-mediated transformation cellular response to stimulus horizontal gene transfer response to stimulus establishment of competence for transformation cellular process regulation of biological process regulation of cellular process negative regulation of establishment of competence for transformation negative regulation of response to stimulus biological regulation negative regulation of biological process regulation of response to stimulus regulation of establishment of competence for transformation DNA-mediated transformation cellular response to stimulus horizontal gene transfer response to stimulus establishment of competence for transformation cellular process regulation of biological process regulation of cellular process negative regulation of establishment of competence for transformation negative regulation of response to stimulus biological regulation negative regulation of biological process regulation of response to stimulus regulation of establishment of competence for transformation negative regulation of cellular process sporulation resulting in formation of a cellular spore developmental process anatomical structure morphogenesis anatomical structure formation involved in morphogenesis anatomical structure development sporulation regulation of developmental process negative regulation of sporulation resulting in formation of a cellular spore negative regulation of developmental process negative regulation of sporulation regulation of sporulation resulting in formation of a cellular spore regulation of sporulation	-
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	Negative regulator of genetic competence ClpC/MecB	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 pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity ATP-dependent activity	DNA-mediated transformation cellular response to stimulus horizontal gene transfer response to stimulus establishment of competence for transformation cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth a], C [auth b], E [auth c], G [auth d], I [auth e], A [auth a], C [auth b], E [auth c], G [auth d], I [auth e], K [auth f]	IPR008681	Negative regulator of genetic competence, MecA	Family
A [auth a], C [auth b], E [auth c], G [auth d], I [auth e], A [auth a], C [auth b], E [auth c], G [auth d], I [auth e], K [auth f]	IPR038471	MecA, C-terminal domain superfamily	Homologous Superfamily
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR001270	ClpA/B family	Family
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR018368	ClpA/B, conserved site 1	Conserved Site
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR041546	ClpA/ClpB, AAA lid domain	Domain
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR050130	ATP-dependent Clp protease/Chaperone ClpA/ClpB	Family
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR004176	Clp, repeat (R) domain	Domain
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR028299	ClpA/B, conserved site 2	Conserved Site
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR003593	AAA+ ATPase domain	Domain
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR003959	ATPase, AAA-type, core	Domain
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR001943	UVR domain	Domain
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR019489	Clp ATPase, C-terminal	Domain
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR036628	Clp, N-terminal domain superfamily	Homologous Superfamily
B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], B [auth A], D [auth B], F [auth C], H [auth D], J [auth E], L [auth F]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily