2QTS: Acid-sensing ion channel 1

Structure of an acid-sensing ion channel 1 at 1.9 A resolution and low pH. Determined by X-ray diffraction at 1.9 Å resolution. Released 25 Sept 2007.

Method
X-ray diffraction
Resolution
1.9 Å
Organism
Gallus gallus
Chains
6
Atoms
22,034
Mol. weight
304.82 kDa
Ligands
NAG
Released
25 Sept 2007

Explore 2QTS in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2QTS contains 154 α-helices and 114 β-strands across 6 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 24 helices, 19 β-strands

ElementResiduesLengthSheet
α-helix45-6925
β-strand74-8181
β-strand86-8722
α-helix881
β-strand90-9563
α-helix101-1033
α-helix106-1127
α-helix134-1429
α-helix155-1628
α-helix164-1652
α-helix166-1694
β-strand170-17561
β-strand178-17921
α-helix182-1843
β-strand185-19063
β-strand193-19863
β-strand209-21022
α-helix215-2173
β-strand219-22461
α-helix227-2293
α-helix230-2323
β-strand24414
β-strand246-25163
α-helix259-2624
β-strand264-26633
β-strand270-282131
β-strand29215
α-helix306-32217
β-strand32516
α-helix3341
β-strand33516
α-helix336-3372
α-helix338-3403
α-helix341-3455
α-helix346-3505
α-helix351-3555
α-helix362-3643
β-strand36515
β-strand367-379131
α-helix386-3938
α-helix397-4037
β-strand404-423201
α-helix427-45731
Chain B: 28 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix45-6925
β-strand74-8187
β-strand86-8728
α-helix881
β-strand90-9569
α-helix101-1033
α-helix106-1127
α-helix133-14311
α-helix155-1628
α-helix164-1652
α-helix166-1694
β-strand170-17567
β-strand178-17927
α-helix182-1843
β-strand185-19069
β-strand193-19869
α-helix206-2083
β-strand209-21028
α-helix215-2173
β-strand219-22467
α-helix227-2293
α-helix230-2323
β-strand24411
β-strand246-25169
α-helix259-2624
β-strand264-26639
β-strand270-282137
α-helix284-2852
β-strand291-292210
α-helix306-32217
β-strand325111
α-helix3341
β-strand335111
α-helix336-3372
α-helix338-3403
α-helix341-3455
α-helix346-3505
α-helix351-3555
α-helix362-3632
β-strand364-365210
β-strand367-379137
α-helix386-3927
α-helix397-4037
β-strand404-423207
α-helix427-4348
α-helix437-45519
α-helix456-4594
Chain C: 26 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix42-6928
β-strand74-8184
β-strand86-87212
α-helix881
β-strand90-95613
α-helix101-1033
α-helix106-1127
α-helix125-1262
α-helix133-14210
α-helix155-1628
α-helix164-1652
α-helix166-1694
β-strand170-17564
β-strand178-17924
α-helix182-1843
β-strand185-190613
β-strand193-198613
β-strand209-210212
α-helix215-2173
β-strand219-22464
α-helix227-2293
α-helix230-2323
β-strand24417
β-strand246-251613
α-helix259-2624
β-strand264-266313
β-strand270-282134
β-strand292114
α-helix306-32217
β-strand325115
α-helix3341
β-strand335115
α-helix336-3372
α-helix338-3403
α-helix341-3455
α-helix346-3505
α-helix351-3555
α-helix363-3642
β-strand365114
β-strand367-379134
α-helix383-39210
α-helix397-4037
β-strand404-423204
α-helix427-45125
α-helix453-4564
Chain D: 24 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix45-6925
β-strand74-81816
β-strand86-87217
α-helix881
β-strand90-95618
α-helix101-1033
α-helix106-1127
α-helix134-1429
α-helix155-1628
α-helix164-1652
α-helix166-1694
β-strand170-175616
β-strand178-179216
α-helix182-1843
β-strand185-190618
β-strand193-198618
β-strand209-210217
α-helix215-2173
β-strand219-224616
α-helix227-2293
α-helix230-2323
β-strand244119
β-strand246-251618
α-helix259-2624
β-strand264-266318
β-strand270-2821316
β-strand291-292220
α-helix306-32217
β-strand325121
α-helix3341
β-strand335121
α-helix336-3372
α-helix338-3403
α-helix341-3455
α-helix346-3505
α-helix351-3555
α-helix3631
β-strand364-365220
β-strand367-3791316
α-helix383-39210
α-helix397-4037
β-strand404-4232016
α-helix427-45529
Chain E: 26 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix42-498
α-helix57-6913
β-strand74-81822
β-strand86-87223
α-helix881
β-strand90-95624
α-helix101-1033
α-helix106-1127
α-helix133-14210
α-helix155-1628
α-helix164-1652
α-helix166-1694
β-strand170-175622
β-strand178-179222
α-helix182-1843
β-strand185-190624
β-strand193-198624
β-strand209-210223
α-helix215-2173
β-strand219-224622
α-helix227-2293
α-helix230-2323
β-strand244116
β-strand246-251624
α-helix259-2624
β-strand264-266324
β-strand270-2821322
α-helix284-2852
β-strand292125
α-helix306-32217
β-strand325126
α-helix3341
β-strand335126
α-helix336-3372
α-helix338-3403
α-helix341-3455
α-helix346-3505
α-helix351-3555
α-helix363-3642
β-strand365125
β-strand367-3791322
α-helix383-39210
α-helix397-4037
β-strand404-4232022
α-helix427-46034
Chain F: 26 helices, 19 β-strands
ElementResiduesLengthSheet
α-helix44-6926
β-strand74-81819
β-strand86-87227
α-helix881
β-strand90-95628
α-helix101-1033
α-helix106-1127
α-helix133-14210
α-helix155-1628
α-helix164-1652
α-helix166-1694
β-strand170-175619
β-strand178-179219
α-helix182-1843
β-strand185-190628
β-strand193-198628
α-helix206-2083
β-strand209-210227
α-helix215-2173
β-strand219-224619
α-helix227-2293
α-helix230-2323
β-strand244122
β-strand246-251628
α-helix259-2624
β-strand264-266328
β-strand270-2821319
α-helix284-2852
β-strand292129
α-helix306-32217
β-strand325130
α-helix3341
β-strand335130
α-helix336-3372
α-helix338-3403
α-helix341-3455
α-helix346-3505
α-helix351-3555
α-helix362-3643
β-strand365129
β-strand367-3791319
α-helix383-39210
α-helix397-4037
β-strand404-4232019
α-helix427-45226

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Acid-sensing ion channelA, B, C, D, E, Fprotein438Gallus gallusQ1XA76 (AlphaFold model)
Sequence of entity 1 (A, B, C, D, E, F), FASTA
>2QTS_1 Acid-sensing ion channel (chains A, B, C, D, E, F)
STLHGISHIFSYERLSLKRVVWALCFMGSLALLALVCTNRIQYYFLYPHVTKLDEVAATR
LTFPAVTFCNLNEFRFSRVTKNDLYHAGELLALLNNRYEIPDTQTADEKQLEILQDKANF
RNFKPKPFNMLEFYDRAGHDIREMLLSCFFRGEQCSPEDFKVVFTRYGKCYTFNAGQDGK
PRLITMKGGTGNGLEIMLDIQQDEYLPVWGETDETSFEAGIKVQIHSQDEPPLIDQLGFG
VAPGFQTFVSCQEQRLIYLPPPWGDCKATTGDSEFYDTYSITACRIDCETRYLVENCNCR
MVHMPGDAPYCTPEQYKECADPALDFLVEKDNEYCVCEMPCNVTRYGKELSMVKIPSKAS
AKYLAKKYNKSEQYIGENILVLDIFFEALNYETIEQKKAYEVAGLLGDIGGQMGLFIGAS
ILTVLELFDYAYEVIKHR

Ligands and cofactors

IDNameFormulaCopies
NAG2-acetamido-2-deoxy-beta-D-glucopyranoseC8 H15 N O612

Water and common crystallization additives (CL) are not listed.

Primary citation

Structure of acid-sensing ion channel 1 at 1.9A resolution and low pH. Jasti, J., Furukawa, H., Gonzales, E.B. et al. Nature (2007) 449:316-323. DOI 10.1038/nature06163 · PubMed

Other PDB entries of the same protein (UniProt Q1XA76 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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