2GTL | pdb_00002gtl

Lumbricus Erythrocruorin at 3.5A resolution

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
O	d2gtlo1	All beta proteins	Streptavidin-like	Extracellular hemoglobin linker subunit, receptor domain	Extracellular hemoglobin linker subunit, receptor domain	Extracellular hemoglobin linker l3 subunit	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
O	d2gtlo2	Small proteins	LDL receptor-like module	LDL receptor-like module	LDL receptor-like module	Extracellular hemoglobin linker l3 subunit	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
O	d2gtlo3	Coiled coil proteins	Parallel coiled-coil	Heterotrimerisation domain of extracellular hemoglobin linker subunits	Heterotrimerisation domain of extracellular hemoglobin linker subunits	Extracellular hemoglobin linker l3	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
N	d2gtln1	All beta proteins	Streptavidin-like	Extracellular hemoglobin linker subunit, receptor domain	Extracellular hemoglobin linker subunit, receptor domain	Extracellular hemoglobin linker l2 subunit	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
N	d2gtln2	Small proteins	LDL receptor-like module	LDL receptor-like module	LDL receptor-like module	Extracellular hemoglobin linker l2 subunit	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
N	d2gtln3	Coiled coil proteins	Parallel coiled-coil	Heterotrimerisation domain of extracellular hemoglobin linker subunits	Heterotrimerisation domain of extracellular hemoglobin linker subunits	Extracellular hemoglobin linker l2 subunit	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
M	d2gtlm1	All beta proteins	Streptavidin-like	Extracellular hemoglobin linker subunit, receptor domain	Extracellular hemoglobin linker subunit, receptor domain	Hemoglobin linker chain l1	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
M	d2gtlm2	Small proteins	LDL receptor-like module	LDL receptor-like module	LDL receptor-like module	Hemoglobin linker chain l1	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
M	d2gtlm3	Coiled coil proteins	Parallel coiled-coil	Heterotrimerisation domain of extracellular hemoglobin linker subunits	Heterotrimerisation domain of extracellular hemoglobin linker subunits	Hemoglobin linker chain l1	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
D	d2gtld1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit D1	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
H	d2gtlh1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit D1	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
L	d2gtll1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit D1	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
C	d2gtlc1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit III (globin C)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
K	d2gtlk1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit III (globin C)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
G	d2gtlg1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit III (globin C)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
B	d2gtlb1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit II (globin B)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
F	d2gtlf1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit II (globin B)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
J	d2gtlj1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit II (globin B)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
I	d2gtli1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit IV (globin A)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
E	d2gtle1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit IV (globin A)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)
A	d2gtla1	All alpha proteins	Globin-like	Globin-like	Globins	Extracellular dodecameric hemoglobin (erythrocruorin), subunit IV (globin A)	(Lumbricus terrestris ) [TaxId: 6398 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
O	SCOP2 Family	Extracellular hemoglobin linker subunit, receptor domain	8029685	4001980	SCOP2 (2022-06-29)
O	SCOP2 Family	LDL receptor-like module	8029686	4003373	SCOP2 (2022-06-29)
O	SCOP2 Family	Heterotrimerisation domain of extracellular hemoglobin linker subunits	8029688	4000557	SCOP2 (2022-06-29)
O	SCOP2 Superfamily	Extracellular hemoglobin linker subunit, receptor domain	8042064	3000638	SCOP2 (2022-06-29)
O	SCOP2 Superfamily	LDL receptor-like module	8042065	3000728	SCOP2 (2022-06-29)
O	SCOP2 Superfamily	Heterotrimerisation domain of extracellular hemoglobin linker subunits	8042067	3000575	SCOP2 (2022-06-29)
N	SCOP2 Family	Extracellular hemoglobin linker subunit, receptor domain	8029680	4001980	SCOP2 (2022-06-29)
N	SCOP2 Family	LDL receptor-like module	8029682	4003373	SCOP2 (2022-06-29)
N	SCOP2 Family	Heterotrimerisation domain of extracellular hemoglobin linker subunits	8029684	4000557	SCOP2 (2022-06-29)
N	SCOP2 Superfamily	Extracellular hemoglobin linker subunit, receptor domain	8042059	3000638	SCOP2 (2022-06-29)
N	SCOP2 Superfamily	LDL receptor-like module	8042061	3000728	SCOP2 (2022-06-29)
N	SCOP2 Superfamily	Heterotrimerisation domain of extracellular hemoglobin linker subunits	8042063	3000575	SCOP2 (2022-06-29)
M	SCOP2 Family	Extracellular hemoglobin linker subunit, receptor domain	8029676	4001980	SCOP2 (2022-06-29)
M	SCOP2 Family	LDL receptor-like module	8029677	4003373	SCOP2 (2022-06-29)
M	SCOP2 Family	Heterotrimerisation domain of extracellular hemoglobin linker subunits	8029679	4000557	SCOP2 (2022-06-29)
M	SCOP2 Superfamily	Extracellular hemoglobin linker subunit, receptor domain	8042055	3000638	SCOP2 (2022-06-29)
M	SCOP2 Superfamily	LDL receptor-like module	8042056	3000728	SCOP2 (2022-06-29)
M	SCOP2 Superfamily	Heterotrimerisation domain of extracellular hemoglobin linker subunits	8042058	3000575	SCOP2 (2022-06-29)
D	SCOP2B Superfamily	Globin-like	8043790	3000554	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Globin-like	8043790	3000554	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Globin-like	8043790	3000554	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Globin-like	8043789	3000554	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Globin-like	8043789	3000554	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Globin-like	8043789	3000554	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Globin-like	8043788	3000554	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Globin-like	8043788	3000554	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Globin-like	8043788	3000554	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Globin-like	8043787	3000554	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Globin-like	8043787	3000554	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Globin-like	8043787	3000554	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)
O	Eryth_link_C	e2gtlO1	A: beta barrels	X: Lipocalins/Streptavidin	H: Quinohemoprotein amine dehydrogenase A chain, domain 3-like (From Topology)	T: Quinohemoprotein amine dehydrogenase A chain, domain 3-like	F: Eryth_link_C	ECOD (1.6)
O	Ldl_recept_a	e2gtlO2	A: few secondary structure elements	X: EGF-like	H: LDL receptor-like module (From Topology)	T: LDL receptor-like module	F: Ldl_recept_a	ECOD (1.6)
N	Eryth_link_C_1	e2gtlN1	A: beta barrels	X: Lipocalins/Streptavidin	H: Quinohemoprotein amine dehydrogenase A chain, domain 3-like (From Topology)	T: Quinohemoprotein amine dehydrogenase A chain, domain 3-like	F: Eryth_link_C_1	ECOD (1.6)
N	Ldl_recept_a	e2gtlN2	A: few secondary structure elements	X: EGF-like	H: LDL receptor-like module (From Topology)	T: LDL receptor-like module	F: Ldl_recept_a	ECOD (1.6)
M	Eryth_link_C_1	e2gtlM1	A: beta barrels	X: Lipocalins/Streptavidin	H: Quinohemoprotein amine dehydrogenase A chain, domain 3-like (From Topology)	T: Quinohemoprotein amine dehydrogenase A chain, domain 3-like	F: Eryth_link_C_1	ECOD (1.6)
M	Ldl_recept_a	e2gtlM2	A: few secondary structure elements	X: EGF-like	H: LDL receptor-like module (From Topology)	T: LDL receptor-like module	F: Ldl_recept_a	ECOD (1.6)
M	EUF08728	e2gtlM3	A: few secondary structure elements	X: EGF-like	H: LDL receptor-like module (From Topology)	T: LDL receptor-like module	F: EUF08728	ECOD (1.6)
D	Globin	e2gtlD1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
H	Globin	e2gtlH1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
L	Globin	e2gtlL1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
C	Globin	e2gtlC1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
K	Globin	e2gtlK1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
G	Globin	e2gtlG1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
B	Globin	e2gtlB1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
F	Globin	e2gtlF1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
J	Globin	e2gtlJ1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
I	Globin	e2gtlI1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
E	Globin	e2gtlE1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)
A	Globin	e2gtlA1	A: alpha arrays	X: Globin-like (From Topology)	H: Globin-like (From Topology)	T: Globin-like	F: Globin	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
O	6.10.250.1540	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
O	2.40.128.620	Mainly Beta	Beta Barrel	Lipocalin		CATH (4.3.0)
N	6.10.250.1530	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
N	2.40.128.620	Mainly Beta	Beta Barrel	Lipocalin		CATH (4.3.0)
M	6.10.250.1520	Special	Helix non-globular	Single alpha-helices involved in coiled-coils or other helix-helix interfaces		CATH (4.3.0)
M	2.40.128.620	Mainly Beta	Beta Barrel	Lipocalin		CATH (4.3.0)
D	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
H	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
L	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
C	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
K	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
G	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
B	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
F	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
J	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
I	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
E	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)
A	1.10.490.10	Mainly Alpha	Orthogonal Bundle	Globin-like	Globins	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
O	PF16915	Annelid erythrocruorin linker subunit C-terminus (Eryth_link_C)	Annelid erythrocruorin linker subunit C-terminus	This domain is found in linker subunits of the erythrocruorin respiratory complex in annelid worms [1].	Domain
O	PF00057	Low-density lipoprotein receptor domain class A (Ldl_recept_a)	Low-density lipoprotein receptor domain class A	-	Repeat
N	PF16915	Annelid erythrocruorin linker subunit C-terminus (Eryth_link_C)	Annelid erythrocruorin linker subunit C-terminus	This domain is found in linker subunits of the erythrocruorin respiratory complex in annelid worms [1].	Domain
N	PF00057	Low-density lipoprotein receptor domain class A (Ldl_recept_a)	Low-density lipoprotein receptor domain class A	-	Repeat
M	PF16915	Annelid erythrocruorin linker subunit C-terminus (Eryth_link_C)	Annelid erythrocruorin linker subunit C-terminus	This domain is found in linker subunits of the erythrocruorin respiratory complex in annelid worms [1].	Domain
M	PF00057	Low-density lipoprotein receptor domain class A (Ldl_recept_a)	Low-density lipoprotein receptor domain class A	-	Repeat
D, H, L	PF00042	Globin (Globin)	Globin		Domain
C, G, K	PF00042	Globin (Globin)	Globin		Domain
B, F, J	PF00042	Globin (Globin)	Globin		Domain
A, E, I	PF00042	Globin (Globin)	Globin		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
O	Extracellular hemoglobin linker L3 subunit	cation binding ion binding binding metal ion binding small molecule binding	-	-
N	Extracellular hemoglobin linker L2 subunit	cation binding ion binding binding metal ion binding small molecule binding	-	-
M	Hemoglobin linker chain L1	cation binding ion binding binding metal ion binding small molecule binding	-	-
D, H, L	Hemoglobin chain d1	oxygen binding binding small molecule binding oxygen carrier activity molecular carrier activity tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding	-	protein-containing complex cellular anatomical structure intracellular anatomical structure hemoglobin complex cytoplasm cytosol extracellular region
C, G, K	Extracellular globin-3	oxygen binding binding small molecule binding oxygen carrier activity molecular carrier activity tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding	-	protein-containing complex cellular anatomical structure intracellular anatomical structure hemoglobin complex cytoplasm cytosol extracellular region
B, F, J	Extracellular globin 2	oxygen binding binding small molecule binding oxygen carrier activity molecular carrier activity tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding	-	protein-containing complex cellular anatomical structure intracellular anatomical structure hemoglobin complex cytoplasm cytosol extracellular region
A, E, I	Extracellular globin 4	oxygen binding binding small molecule binding oxygen carrier activity molecular carrier activity tetrapyrrole binding heme binding cation binding transition metal ion binding iron ion binding ion binding metal ion binding	-	protein-containing complex cellular anatomical structure intracellular anatomical structure hemoglobin complex cytoplasm cytosol extracellular region

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
O	IPR002172	Low-density lipoprotein (LDL) receptor class A repeat	Repeat
O	IPR023415	Low-density lipoprotein (LDL) receptor class A, conserved site	Conserved Site
O	IPR036055	LDL receptor-like superfamily	Homologous Superfamily
O	IPR031639	Annelid erythrocruorin linker subunit, C-terminal	Domain
O	IPR036153	Erythrocruorin linker subunit, C-terminal superfamily	Homologous Superfamily
O	IPR037246	Extracellular hemoglobin linker subunit, heterodimerisation domain	Homologous Superfamily
N	IPR002172	Low-density lipoprotein (LDL) receptor class A repeat	Repeat
N	IPR023415	Low-density lipoprotein (LDL) receptor class A, conserved site	Conserved Site
N	IPR036055	LDL receptor-like superfamily	Homologous Superfamily
N	IPR031639	Annelid erythrocruorin linker subunit, C-terminal	Domain
N	IPR036153	Erythrocruorin linker subunit, C-terminal superfamily	Homologous Superfamily
N	IPR037246	Extracellular hemoglobin linker subunit, heterodimerisation domain	Homologous Superfamily
M	IPR002172	Low-density lipoprotein (LDL) receptor class A repeat	Repeat
M	IPR023415	Low-density lipoprotein (LDL) receptor class A, conserved site	Conserved Site
M	IPR036055	LDL receptor-like superfamily	Homologous Superfamily
M	IPR031639	Annelid erythrocruorin linker subunit, C-terminal	Domain
M	IPR036153	Erythrocruorin linker subunit, C-terminal superfamily	Homologous Superfamily
M	IPR037246	Extracellular hemoglobin linker subunit, heterodimerisation domain	Homologous Superfamily
D, H, L	IPR044399	Myoglobin-like, M family globin domain	Domain
D, H, L	IPR014610	Globin, extracellular	Family
D, H, L	IPR009050	Globin-like superfamily	Homologous Superfamily
D, H, L	IPR000971	Globin	Domain
D, H, L	IPR012292	Globin/Protoglobin	Homologous Superfamily
C, G, K	IPR044399	Myoglobin-like, M family globin domain	Domain
C, G, K	IPR014610	Globin, extracellular	Family
C, G, K	IPR009050	Globin-like superfamily	Homologous Superfamily
C, G, K	IPR000971	Globin	Domain
C, G, K	IPR012292	Globin/Protoglobin	Homologous Superfamily
B, F, J	IPR044399	Myoglobin-like, M family globin domain	Domain
B, F, J	IPR014610	Globin, extracellular	Family
B, F, J	IPR002336	Erythrocruorin	Family
B, F, J	IPR009050	Globin-like superfamily	Homologous Superfamily
B, F, J	IPR000971	Globin	Domain
B, F, J	IPR012292	Globin/Protoglobin	Homologous Superfamily
A, E, I	IPR044399	Myoglobin-like, M family globin domain	Domain
A, E, I	IPR014610	Globin, extracellular	Family
A, E, I	IPR009050	Globin-like superfamily	Homologous Superfamily
A, E, I	IPR000971	Globin	Domain
A, E, I	IPR012292	Globin/Protoglobin	Homologous Superfamily