Crystal structure of human U1 snRNP
Domain Annotation: SCOP2 Classification SCOP2 Database Homepage
| Chains | Type | Family Name | Domain Identifier | Family Identifier | Provenance Source (Version) |
|---|---|---|---|---|---|
| J [auth P] | SCOP2B Superfamily | RNA-binding domain, RBD | 8043930 | 3000110 | SCOP2B (2022-06-29) |
| A | SCOP2B Superfamily | RNA-binding domain, RBD | 8043930 | 3000110 | SCOP2B (2022-06-29) |
| K [auth L] | SCOP2B Superfamily | RNA-binding domain, RBD | 8088186 | 3000110 | SCOP2B (2022-06-29) |
| B [auth S] | SCOP2B Superfamily | RNA-binding domain, RBD | 8088186 | 3000110 | SCOP2B (2022-06-29) |
| L [auth W] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041751 | 3000419 | SCOP2B (2022-06-29) |
| C [auth Z] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041751 | 3000419 | SCOP2B (2022-06-29) |
| M [auth Q] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041747 | 3000419 | SCOP2B (2022-06-29) |
| D [auth B] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041747 | 3000419 | SCOP2B (2022-06-29) |
| N [auth U] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041748 | 3000419 | SCOP2B (2022-06-29) |
| E [auth X] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041748 | 3000419 | SCOP2B (2022-06-29) |
| O [auth V] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041749 | 3000419 | SCOP2B (2022-06-29) |
| F [auth Y] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8041749 | 3000419 | SCOP2B (2022-06-29) |
| P [auth I] | SCOP2 Family | Sm motif of small nuclear ribonucleoproteins, SNRNP | 8063451 | 4001809 | SCOP2 (2022-06-29) |
| P [auth I] | SCOP2 Superfamily | Sm-like ribonucleoproteins | 8063452 | 3000419 | SCOP2 (2022-06-29) |
| G [auth F] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8063452 | 3000419 | SCOP2B (2022-06-29) |
| Q [auth H] | SCOP2 Family | Sm motif of small nuclear ribonucleoproteins, SNRNP | 8063475 | 4001809 | SCOP2 (2022-06-29) |
| Q [auth H] | SCOP2 Superfamily | Sm-like ribonucleoproteins | 8063476 | 3000419 | SCOP2 (2022-06-29) |
| H [auth E] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8063476 | 3000419 | SCOP2B (2022-06-29) |
| R [auth J] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8063468 | 3000419 | SCOP2B (2022-06-29) |
| I [auth G] | SCOP2B Superfamily | Sm-like ribonucleoproteins | 8063468 | 3000419 | 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) |
|---|---|---|---|---|---|---|---|---|
| J [auth P] | RRM_1_2 | e3pgwP1 | A: a+b two layers | X: Alpha-beta plaits | H: RNA-binding domain, RBD (From Topology) | T: RNA-binding domain, RBD | F: RRM_1_2 | ECOD (1.6) |
| A | RRM_1_2 | e3pgwA1 | A: a+b two layers | X: Alpha-beta plaits | H: RNA-binding domain, RBD (From Topology) | T: RNA-binding domain, RBD | F: RRM_1_2 | ECOD (1.6) |
| K [auth L] | RRM_1_6 | e3pgwL1 | A: a+b two layers | X: Alpha-beta plaits | H: RNA-binding domain, RBD (From Topology) | T: RNA-binding domain, RBD | F: RRM_1_6 | ECOD (1.6) |
| L [auth W] | LSM | e3pgwW1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| C [auth Z] | LSM | e3pgwZ1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| M [auth Q] | LSM | e3pgwQ1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| D [auth B] | LSM | e3pgwB1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| N [auth U] | LSM | e3pgwU1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| E [auth X] | LSM | e3pgwX1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| O [auth V] | LSM | e3pgwV1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| F [auth Y] | LSM | e3pgwY1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| P [auth I] | LSM | e3pgwI1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| G [auth F] | LSM | e3pgwF1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| Q [auth H] | LSM | e3pgwH1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| H [auth E] | LSM | e3pgwE1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| R [auth J] | LSM | e3pgwJ1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
| I [auth G] | LSM | e3pgwG1 | A: beta barrels | X: SH3 | H: SH3 | T: SH3 | F: LSM | ECOD (1.6) |
Protein Family Annotation Pfam Database Homepage
| Chains | Accession | Name | Description | Comments | Source |
|---|---|---|---|---|---|
| A, J [auth P] | PF00076 | RNA recognition motif (RRM_1) | RNA recognition motif | The RRM motif (a.k.a. RRM, RBD, or RNP domain) is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and pro ... | Domain |
| B [auth S], K [auth L] | PF00076 | RNA recognition motif (RRM_1) | RNA recognition motif | The RRM motif (a.k.a. RRM, RBD, or RNP domain) is probably diagnostic of an RNA binding protein. RRMs are found in a variety of RNA binding proteins, including various hnRNP proteins, proteins implicated in regulation of alternative splicing, and pro ... | Domain |
| C [auth Z], L [auth W] | PF01423 | LSM domain (LSM) | LSM domain | The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ... | Domain |
| D [auth B], M [auth Q] | PF01423 | LSM domain (LSM) | LSM domain | The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ... | Domain |
| E [auth X], N [auth U] | PF01423 | LSM domain (LSM) | LSM domain | The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ... | Domain |
| F [auth Y], O [auth V] | PF01423 | LSM domain (LSM) | LSM domain | The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ... | Domain |
| G [auth F], P [auth I] | PF01423 | LSM domain (LSM) | LSM domain | The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ... | Domain |
| H [auth E], Q [auth H] | PF01423 | LSM domain (LSM) | LSM domain | The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ... | Domain |
| I [auth G], R [auth J] | PF01423 | LSM domain (LSM) | LSM domain | The LSM domain contains Sm proteins as well as other related LSM (Like Sm) proteins. The U1, U2, U4/U6, and U5 small nuclear ribonucleoprotein particles (snRNPs) involved in pre-mRNA splicing contain seven Sm proteins (B/B', D1, D2, D3, E, F and G) i ... | Domain |














