Current Protein Identity：P70057
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Difference tags compare only the current result set; every original PDB and assembly record remains separate.
Related-Structure Differences
Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.
| PDB Entry | Assembly / Oligomeric State | Construct | Mutations and Modifications | Ligands, Ions and Non-polymers | Experimental Method | Experimental Conditions | Structure Quality |
|---|---|---|---|---|---|---|---|
| 5VMS CryoEM structure of Xenopus KCNQ1 channel Deposited 2017-04-28 | Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count |
Chain A
67–610（544 aa）
Fragment：UNP residues 67-610
|
Not recorded | CA CALCIUM ION × 12 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.2
cryo-EM vitrification conditions
Cryogen ETHANE；90-100% humidity
|
Resolution 3.70 Å |
| 5VMS CryoEM structure of Xenopus KCNQ1 channel Deposited 2017-04-28 | Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
67–610（544 aa）
Fragment：UNP residues 67-610
|
Not recorded | CA CALCIUM ION × 3 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.2
cryo-EM vitrification conditions
Cryogen ETHANE；90-100% humidity
|
Resolution 3.70 Å |
| 5VMS CryoEM structure of Xenopus KCNQ1 channel Deposited 2017-04-28 | Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count |
Chain A
67–610（544 aa）
Fragment：UNP residues 67-610
|
Not recorded | CA CALCIUM ION × 3 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.2
cryo-EM vitrification conditions
Cryogen ETHANE；90-100% humidity
|
Resolution 3.70 Å |
| 7TCI Structure of Xenopus KCNQ1-CaM in complex with ML277 Deposited 2021-12-23 | Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count |
Chain A
67–610（544 aa）
Fragment：UNP residues 67-610
Chain C
67–610（544 aa）
Fragment：UNP residues 67-610
Chain E
67–610（544 aa）
Fragment：UNP residues 67-610
Chain G
67–610（544 aa）
Fragment：UNP residues 67-610
|
Not recorded | I0S (2R)-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-1-(4-methylbenzene-1-sulfonyl)piperidine-2-carboxamide × 4 CA CALCIUM ION × 12 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.2
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.90 Å |
| 7TCP Structure of Xenopus KCNQ1-CaM Deposited 2021-12-27 | Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count |
Chain A
67–610（544 aa）
Fragment：UNP residues 67-610
Chain C
67–610（544 aa）
Fragment：UNP residues 67-610
Chain E
67–610（544 aa）
Fragment：UNP residues 67-610
Chain G
67–610（544 aa）
Fragment：UNP residues 67-610
|
Not recorded | CA CALCIUM ION × 12 | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.2
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.84 Å |
| 9MY3 Structure of Xenopus KCNQ1-CaM in GDN Deposited 2025-01-21 | Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count |
Chain A
66–610（545 aa）
Chain C
66–610（545 aa）
Chain E
66–610（545 aa）
Chain G
66–610（545 aa）
|
Not recorded | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.2
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.46 Å |
| 9MY4 Structure of Xenopus KCNQ1(E150R/R221E)-CaM with the VSD in the intermediate state Deposited 2025-01-21 | Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count |
Chain A
66–610（545 aa）
Chain C
66–610（545 aa）
Chain E
66–610（545 aa）
Chain G
66–610（545 aa）
|
Mutation：E150R, R221E Mutation：E150R, R221E Mutation：E150R, R221E Mutation：E150R, R221E | No recorded non-water small molecule | ELECTRON MICROSCOPY |
cryo-EM buffer
pH 7.2
cryo-EM vitrification conditions
Cryogen ETHANE
|
Resolution 3.53 Å |