Annotations: 6L7C

CsgFG complex with substrate CsgAN6 peptide in Curli biogenesis system

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Membrane Protein Annotation: OPM
Membrane Protein Annotation: PDBTM
Membrane Protein Annotation: mpstruc

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
I	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	TolB N-terminal domain-like	8053476	3000482	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)
R	AAA	e6l7cR1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
Q	AAA	e6l7cQ1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
P	AAA	e6l7cP1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
O	AAA	e6l7cO1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
N	AAA	e6l7cN1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
M	AAA	e6l7cM1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
L	AAA	e6l7cL1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
K	AAA	e6l7cK1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
J	AAA	e6l7cJ1	A: alpha arrays	X: HTH	H: HTH	T: Three-helical HTH	F: AAA	ECOD (v295)
I	Histone	e6l7cI1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
H	Histone	e6l7cH1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
G	Histone	e6l7cG1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
F	Histone	e6l7cF1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
E	Histone	e6l7cE1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
D	Histone	e6l7cD1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
C	Histone	e6l7cC1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
B	Histone	e6l7cB1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)
A	Histone	e6l7cA1	A: alpha arrays	X: jelly-roll	H: Helical bundle in flu nucleocapsid protein	T: Helical bundle in flu nucleocapsid protein	F: Histone	ECOD (v295)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I	PF03783	Curli production assembly/transport component CsgG (CsgG)	Curli production assembly/transport component CsgG	CsgG is an outer membrane-located lipoprotein that is highly resistant to protease digestion. During curli assembly, an adhesive surface fibre, CsgG is required to maintain the stability of CsgA and CsgB [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
AA [auth a], S, T, U, V, AA [auth a], S, T, U, V, W, X, Y, Z	Major curlin subunit CsgA	identical protein binding protein binding binding	cellular component organization metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process cellular component organization or biogenesis supramolecular fiber organization amyloid fibril formation regulation of biological process regulation of cellular process regulation of cellular component organization regulation of protein metabolic process biological regulation cellular component organization metabolic process cellular process primary metabolic process protein metabolic process macromolecule metabolic process cellular component organization or biogenesis supramolecular fiber organization amyloid fibril formation regulation of biological process regulation of cellular process regulation of cellular component organization regulation of protein metabolic process biological regulation regulation of macromolecule metabolic process regulation of amyloid fibril formation regulation of primary metabolic process regulation of supramolecular fiber organization regulation of metabolic process cell aggregation biofilm formation biological process involved in intraspecies interaction between organisms single-species biofilm formation aggregation of unicellular organisms cell adhesion	pilus cell projection cellular anatomical structure
J, K, L, M, N J, K, L, M, N, O, P, Q, R	CsgF	identical protein binding protein binding binding	cellular component biogenesis cellular component organization cellular component assembly cell projection organization cellular process pilus assembly cellular component organization or biogenesis pilus organization curli assembly cell projection assembly protein transport across the cell outer membrane establishment of protein localization transport establishment of localization cellular component biogenesis cellular component organization cellular component assembly cell projection organization cellular process pilus assembly cellular component organization or biogenesis pilus organization curli assembly cell projection assembly protein transport across the cell outer membrane establishment of protein localization transport establishment of localization transmembrane transport localization protein secretion by the type VIII secretion system protein transmembrane transport protein transport macromolecule localization intracellular protein localization	curli secretion complex protein-containing complex extracellular region membrane membrane protein complex transporter complex cell outer membrane cellular anatomical structure external encapsulating structure transmembrane transporter complex cell envelope extracellular protein-containing complex outer membrane
A, B, C, D, E A, B, C, D, E, F, G, H, I	Curli production assembly/transport protein CsgG	identical protein binding protein binding binding	cellular component biogenesis cellular component organization cellular component assembly cell projection organization cellular process pilus assembly cellular component organization or biogenesis pilus organization curli assembly cell projection assembly transmembrane transport localization establishment of protein localization protein transmembrane transport cellular component biogenesis cellular component organization cellular component assembly cell projection organization cellular process pilus assembly cellular component organization or biogenesis pilus organization curli assembly cell projection assembly transmembrane transport localization establishment of protein localization protein transmembrane transport transport protein transport macromolecule localization intracellular protein localization establishment of localization cell aggregation biofilm formation biological process involved in intraspecies interaction between organisms single-species biofilm formation aggregation of unicellular organisms protein transport across the cell outer membrane protein secretion by the type VIII secretion system	curli secretion complex protein-containing complex extracellular region membrane membrane protein complex transporter complex cell outer membrane cellular anatomical structure external encapsulating structure transmembrane transporter complex cell envelope extracellular protein-containing complex outer membrane cell periphery curli secretion complex protein-containing complex extracellular region membrane membrane protein complex transporter complex cell outer membrane cellular anatomical structure external encapsulating structure transmembrane transporter complex cell envelope extracellular protein-containing complex outer membrane cell periphery plasma membrane outer membrane-bounded periplasmic space periplasmic space

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
AA [auth a], S, T, U, V, AA [auth a], S, T, U, V, W, X, Y, Z	IPR009742	Curlin associated	Repeat
J, K, L, M, N J, K, L, M, N, O, P, Q, R	IPR018893	Type VIII secretion system, CsgF	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I	IPR005534	Curli production assembly/transport component CsgG	Family

Membrane Protein Annotation: OPM OPM Database Homepage

Chains	External Link	Type	Class	Superfamily	Family
A, AA [auth a], B, C, D A, AA [auth a], B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z	OPM	Transmembrane	Beta-barrel transmembrane	Curli-like transporters (n=36)	Curli-like transporters (n=36)

Membrane Protein Annotation: PDBTM PDBTM Database Homepage

Chains	External Link	Comment
A, AA [auth a], B, C, D A, AA [auth a], B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z	PDBTM	Annotated as membrane protein by PDBTM

Membrane Protein Annotation: mpstruc mpstruc Database Homepage

Chains	Resource Link	Group	Subgroup	Protein
A, AA [auth a], B, C, D A, AA [auth a], B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z	mpstruc	TRANSMEMBRANE PROTEINS: BETA-BARREL	Beta-Barrel Membrane Proteins: Monomeric/Dimeric	CsgG-CsgF complex involved in curli biogenesis

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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 R01GM157729. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.