Cryo-EM structure of the whole rod-export apparatus with hook within the flagellar motor-hook complex in the CCW state.
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| Z [auth ZP] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| Y [auth ZO] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| X [auth ZN] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| W [auth ZM] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| V [auth ZL] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| U [auth ZK] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| T [auth ZJ] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| S [auth ZI] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| RA [auth Zh] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| R [auth ZH] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| QA [auth Zg] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| Q [auth ZG] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| PA [auth Zf] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| P [auth ZF] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| OA [auth Ze] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| NA [auth Zd] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| MA [auth Zc] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| LA [auth Zb] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| KA [auth Za] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| JA [auth ZZ] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| IA [auth ZY] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| HA [auth ZX] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| GA [auth ZW] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| FA [auth ZV] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| EA [auth ZU] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| DA [auth ZT] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| CA [auth ZS] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| BA [auth ZR] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | SCOP2B (2022-06-29) |
| AA [auth ZQ] | SCOP2B Superfamily | Flagellar hook protein flgE | 8043628 | 3000296 | 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) |
|---|---|---|---|---|---|---|---|---|
| MC [auth l] | e8wlql1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| LC [auth k] | e8wlqk1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| KC [auth j] | e8wlqj1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| JC [auth i] | e8wlqi1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| IC [auth h] | e8wlqh1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| HC [auth g] | e8wlqg1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| GC [auth f] | e8wlqf1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| FC [auth e] | e8wlqe1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| EC [auth d] | e8wlqd1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| DC [auth c] | e8wlqc1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| CC [auth b] | e8wlqb1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| ZB [auth Y] | e8wlqY1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| YB [auth X] | e8wlqX1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| XB [auth W] | e8wlqW1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| WB [auth V] | e8wlqV1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| BC [auth a] | e8wlqa1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| AC [auth Z] | e8wlqZ1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| VB [auth U] | e8wlqU1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| UB [auth T] | e8wlqT1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| TB [auth S] | e8wlqS1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| SB [auth R] | e8wlqR1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| RB [auth Q] | e8wlqQ1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| Z [auth ZP] | e8wlqZP1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| Y [auth ZO] | e8wlqZO1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| X [auth ZN] | e8wlqZN1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| W [auth ZM] | e8wlqZM1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| V [auth ZL] | e8wlqZL1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| U [auth ZK] | e8wlqZK1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| T [auth ZJ] | e8wlqZJ1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| S [auth ZI] | e8wlqZI1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| RA [auth Zh] | e8wlqZh1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| R [auth ZH] | e8wlqZH1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| QA [auth Zg] | e8wlqZg1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| Q [auth ZG] | e8wlqZG1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| PA [auth Zf] | e8wlqZf1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| P [auth ZF] | e8wlqZF1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| OA [auth Ze] | e8wlqZe1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| NA [auth Zd] | e8wlqZd1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| MA [auth Zc] | e8wlqZc1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| LA [auth Zb] | e8wlqZb1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| KA [auth Za] | e8wlqZa1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| JA [auth ZZ] | e8wlqZZ1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| IA [auth ZY] | e8wlqZY1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| HA [auth ZX] | e8wlqZX1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| GA [auth ZW] | e8wlqZW1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| FA [auth ZV] | e8wlqZV1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| EA [auth ZU] | e8wlqZU1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| DA [auth ZT] | e8wlqZT1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| CA [auth ZS] | e8wlqZS1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| BA [auth ZR] | e8wlqZR1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| AA [auth ZQ] | e8wlqZQ1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| RC [auth q] | e8wlqq1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| QC [auth p] | e8wlqp1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| PC [auth o] | e8wlqo1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| OC [auth n] | e8wlqn1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| NC [auth m] | e8wlqm1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| ZA [auth y] | e8wlqy1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| YA [auth x] | e8wlqx1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| XA [auth w] | e8wlqw1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| WA [auth v] | e8wlqv1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| VA [auth u] | e8wlqu1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| UA [auth t] | e8wlqt1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| TA [auth s] | e8wlqs1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| SA [auth r] | e8wlqr1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| O [auth ZE] | e8wlqZE1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| N [auth ZD] | e8wlqZD1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| M [auth ZC] | e8wlqZC1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| L [auth ZB] | e8wlqZB1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| K [auth ZA] | e8wlqZA1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| J [auth 9] | e8wlq91 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| I [auth 8] | e8wlq81 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| H [auth 7] | e8wlq71 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| G [auth 6] | e8wlq61 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| F [auth 5] | e8wlq51 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| E [auth 4] | e8wlq41 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| D [auth 3] | e8wlq31 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| C [auth 2] | e8wlq21 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| B [auth 1] | e8wlq11 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| AB [auth z] | e8wlqz1 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) | |
| A [auth 0] | e8wlq01 | A: alpha arrays | X: HTH | H: HTH | T: Three-helical HTH | F: | ECOD (v295) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF22692 | Flagellar hook protein FlgE/F/G D1 domain (LlgE_F_G_D1) | Flagellar hook protein FlgE/F/G D1 domain | This entry represents the D1 domain found in three closely related flagellar proteins usually denoted FlgE, FlgF and FlgG. In FlgE there is an additional domain (D2, Pfam:PF07559) outside D1 [1-5]. The flagellar hook is a short, highly curved tubular ... | Domain | |
| PF00460 | Flagella basal body rod protein (Flg_bb_rod) | Flagella basal body rod protein | - | Family | |
| PF06429 | Flagellar basal body rod FlgEFG protein C-terminal (Flg_bbr_C) | Flagellar basal body rod FlgEFG protein C-terminal | This family consists of a number of C-terminal domains of unknown function. This domain seems to be specific to flagellar basal-body rod and flagellar hook proteins in which Pfam:PF00460 is often present at the extreme N terminus. | Domain | |
| RB [auth Q], SB [auth R], TB [auth S], UB [auth T], VB [auth U] | PF22692 | Flagellar hook protein FlgE/F/G D1 domain (LlgE_F_G_D1) | Flagellar hook protein FlgE/F/G D1 domain | This entry represents the D1 domain found in three closely related flagellar proteins usually denoted FlgE, FlgF and FlgG. In FlgE there is an additional domain (D2, Pfam:PF07559) outside D1 [1-5]. The flagellar hook is a short, highly curved tubular ... | Domain |
| RB [auth Q], SB [auth R], TB [auth S], UB [auth T], VB [auth U] | PF00460 | Flagella basal body rod protein (Flg_bb_rod) | Flagella basal body rod protein | - | Family |
| PF22692 | Flagellar hook protein FlgE/F/G D1 domain (LlgE_F_G_D1) | Flagellar hook protein FlgE/F/G D1 domain | This entry represents the D1 domain found in three closely related flagellar proteins usually denoted FlgE, FlgF and FlgG. In FlgE there is an additional domain (D2, Pfam:PF07559) outside D1 [1-5]. The flagellar hook is a short, highly curved tubular ... | Domain | |
| PF00460 | Flagella basal body rod protein (Flg_bb_rod) | Flagella basal body rod protein | - | Family | |
| GB [auth F], HB [auth G], IB [auth H], JB [auth I], KB [auth J] | PF00813 | FliP family (FliP) | FliP family | - | Family |
| FB [auth E] | PF01311 | Bacterial export proteins, family 1 (Bac_export_1) | Bacterial export proteins, family 1 | - | Family |
| BB [auth A], CB [auth B], DB [auth C], EB [auth D] | PF00460 | Flagella basal body rod protein (Flg_bb_rod) | Flagella basal body rod protein | - | Family |
| BB [auth A], CB [auth B], DB [auth C], EB [auth D] | PF06429 | Flagellar basal body rod FlgEFG protein C-terminal (Flg_bbr_C) | Flagellar basal body rod FlgEFG protein C-terminal | This family consists of a number of C-terminal domains of unknown function. This domain seems to be specific to flagellar basal-body rod and flagellar hook proteins in which Pfam:PF00460 is often present at the extreme N terminus. | Domain |
| BB [auth A], CB [auth B], DB [auth C], EB [auth D] | PF01313 | Bacterial export proteins, family 3 (Bac_export_3) | Bacterial export proteins, family 3 | - | Family |
| PF22692 | Flagellar hook protein FlgE/F/G D1 domain (LlgE_F_G_D1) | Flagellar hook protein FlgE/F/G D1 domain | This entry represents the D1 domain found in three closely related flagellar proteins usually denoted FlgE, FlgF and FlgG. In FlgE there is an additional domain (D2, Pfam:PF07559) outside D1 [1-5]. The flagellar hook is a short, highly curved tubular ... | Domain | |
| PF00460 | Flagella basal body rod protein (Flg_bb_rod) | Flagella basal body rod protein | - | Family | |
| PF06429 | Flagellar basal body rod FlgEFG protein C-terminal (Flg_bbr_C) | Flagellar basal body rod FlgEFG protein C-terminal | This family consists of a number of C-terminal domains of unknown function. This domain seems to be specific to flagellar basal-body rod and flagellar hook proteins in which Pfam:PF00460 is often present at the extreme N terminus. | Domain | |
| PF07559 | Flagellar basal body protein FlaE D2 domain (FlgE_D2) | Flagellar basal body protein FlaE D2 domain | This entry consists of several bacterial FlaE flagellar proteins. These proteins are part of the flagellar basal body rod complex. FlgE comprises two domains, D1 and D2, this entry represents D2, a flattened, eight-strand beta-barrel with significan ... | Domain | |
| PF22692 | Flagellar hook protein FlgE/F/G D1 domain (LlgE_F_G_D1) | Flagellar hook protein FlgE/F/G D1 domain | This entry represents the D1 domain found in three closely related flagellar proteins usually denoted FlgE, FlgF and FlgG. In FlgE there is an additional domain (D2, Pfam:PF07559) outside D1 [1-5]. The flagellar hook is a short, highly curved tubular ... | Domain | |
| PF00460 | Flagella basal body rod protein (Flg_bb_rod) | Flagella basal body rod protein | - | Family | |
| PF06429 | Flagellar basal body rod FlgEFG protein C-terminal (Flg_bbr_C) | Flagellar basal body rod FlgEFG protein C-terminal | This family consists of a number of C-terminal domains of unknown function. This domain seems to be specific to flagellar basal-body rod and flagellar hook proteins in which Pfam:PF00460 is often present at the extreme N terminus. | Domain | |
| PF07559 | Flagellar basal body protein FlaE D2 domain (FlgE_D2) | Flagellar basal body protein FlaE D2 domain | This entry consists of several bacterial FlaE flagellar proteins. These proteins are part of the flagellar basal body rod complex. FlgE comprises two domains, D1 and D2, this entry represents D2, a flattened, eight-strand beta-barrel with significan ... | Domain |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
Membrane Protein Annotation: mpstruc mpstruc Database Homepage
| Chains | Resource Link | Group | Subgroup | Protein |
|---|---|---|---|---|
| mpstruc | TRANSMEMBRANE PROTEINS: ALPHA-HELICAL | Flagellar Motor Proteins | intact flagellar motor-hook complex, CW state |














