Cryo-EM structure of the PI4KA complex bound to an EFR3 interfering nanobody (F3IN)
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| E | SCOP2B Superfamily | Hyccin repeat-like | 8091061 | 3002479 | SCOP2B (2022-06-29) |
| E | SCOP2B Superfamily | Hyccin repeat-like | 8091062 | 3002479 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | Hyccin repeat-like | 8091061 | 3002479 | SCOP2B (2022-06-29) |
| G | SCOP2B Superfamily | Hyccin repeat-like | 8091062 | 3002479 | SCOP2B (2022-06-29) |
SAbDab Antibody Annotation SAbDab Database Homepage
| Chain | Chain Class | Chain Subclass | Chain Type | Antigen Name(s) | Provenance Source |
|---|---|---|---|---|---|
| Heavy Chain | IGHV1 | - | tetratricopeptide repeat protein 7b | hyccin | SAbDab (2026-01-09) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| PF13181 | Tetratricopeptide repeat (TPR_8) | Tetratricopeptide repeat | - | Repeat | |
| PF12895 | Anaphase-promoting complex, cyclosome, subunit 3 (ANAPC3) | Anaphase-promoting complex, cyclosome, subunit 3 | - | Repeat | |
| PF13424 | Tetratricopeptide repeat (TPR_12) | Tetratricopeptide repeat | - | Repeat | |
| PF00613 | Phosphoinositide 3-kinase family, accessory domain (PIK domain) (PI3Ka) | Phosphoinositide 3-kinase family, accessory domain (PIK domain) | - | Repeat | |
| PF19274 | PI4-kinase N-terminal region (PI4K_N) | PI4-kinase N-terminal region | - | Family | |
| PF00454 | Phosphatidylinositol 3- and 4-kinase (PI3_PI4_kinase) | Phosphatidylinositol 3- and 4-kinase | - | Family |
Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage
InterPro: Protein Family Classification InterPro Database Homepage
| Chains | Accession | Name | Type |
|---|---|---|---|
| IPR011990 | Tetratricopeptide-like helical domain superfamily | Homologous Superfamily | |
| IPR045819 | Tetratricopeptide repeat protein 7, N-terminal | Domain | |
| IPR019734 | Tetratricopeptide repeat | Repeat | |
| IPR051722 | Endocytosis and PI4K-regulating protein | Family | |
| IPR018619 | Hyccin | Family | |
| IPR015433 | Phosphatidylinositol 3-/4-kinase | Family | |
| IPR016024 | Armadillo-type fold | Homologous Superfamily | |
| IPR000403 | Phosphatidylinositol 3-/4-kinase, catalytic domain | Domain | |
| IPR001263 | Phosphoinositide 3-kinase, accessory (PIK) domain | Domain | |
| IPR018936 | Phosphatidylinositol 3-/4-kinase, conserved site | Conserved Site | |
| IPR042236 | Phosphoinositide 3-kinase, accessory (PIK) domain superfamily | Homologous Superfamily | |
| IPR036940 | Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily | Homologous Superfamily | |
| IPR011009 | Protein kinase-like domain superfamily | Homologous Superfamily | |
| IPR045495 | PI4-kinase, N-terminal | Domain |














