7DSV: Human NHE1-CHP1 complex under pH 6.5

Structure of a human NHE1-CHP1 complex under pH 6.5. Determined by electron microscopy at 3.4 Å resolution. Released 23 Jun 2021.

Method
Electron microscopy
Resolution
3.4 Å
Organism
Homo sapiens
Chains
4
Atoms
9,340
Mol. weight
160.69 kDa
Ligands
LBN
Released
23 Jun 2021

Explore 7DSV in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7DSV contains 74 α-helices and 8 β-strands across 4 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.

Chains A and B: 25 helices, 2 β-strands

ElementResiduesLengthSheet
α-helix101-11616
α-helix131-14919
α-helix151-1544
α-helix1601
α-helix161-1655
α-helix166-17510
α-helix179-1846
α-helix186-1905
α-helix191-1966
α-helix197-21317
α-helix225-23410
β-strand23711
α-helix239-2446
α-helix253-28028
α-helix288-31932
α-helix330-34718
α-helix352-36615
α-helix373-40331
α-helix411-43727
α-helix443-4453
α-helix446-4538
β-strand45811
α-helix462-4676
α-helix477-49317
α-helix500-5034
α-helix518-53821
α-helix544-55714
Chains C and D: 12 helices, 2 β-strands
ElementResiduesLengthSheet
α-helix17-204
α-helix25-3915
β-strand4714
α-helix48-525
α-helix63-708
β-strand7714
α-helix80-889
α-helix92-932
α-helix95-995
α-helix111-12212
α-helix132-14211
α-helix149-16315
α-helix173-1819
α-helix185-1884

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sodium/hydrogen exchanger 1A, Bprotein472Homo sapiensP19634 (AlphaFold model)
Calcineurin B homologous protein 1C, Dprotein185Homo sapiensQ99653 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>7DSV_1 Sodium/hydrogen exchanger 1 (chains A, B)
KAFPVLGIDYTHVRTPFEISLWILLACLMKIGFHVIPTISSIVPESCLLIVVGLLVGGLI
KGVGETPPFLQSDVFFLFLLPPIILDAGYFLPLRQFTENLGTILIFAVVGTLWNAFFLGG
LMYAVCLVGGEQINNIGLLDNLLFGSIISAVDPVAVLAVFEEIHINELLHILVFGESLLN
DAVTVVLYHLFEEFANYEHVGIVDIFLGFLSFFVVALGGVLVGVVYGVIAAFTSRFTSHI
RVIEPLFVFLYSYMAYLSAELFHLSGIMALIASGVVMRPYVEANISHKSHTTIKYFLKMW
SSVSETLIFIFLGVSTVAGSHHWNWTFVISTLLFCLIARVLGVLGLTWFINKFRIVKLTP
KDQFIIAYGGLRGAIAFSLGYLLDKKHFPMCDLFLTAIITVIFFTVFVQGMTIRPLVDLL
AVKKKQETKRSINEEIHTQFLDHLLTGIEDICGHYGHHHWKDKLNRFNKKYV
Sequence of entity 2 (C, D), FASTA
>7DSV_2 Calcineurin B homologous protein 1 (chains C, D)
DEELEEIKKETGFSHSQITRLYSRFTSLDKGENGTLSREDFQRIPELAINPLGDRIINAF
FPEGEDQVNFRGFMRTLAHFRPIEDNEKSKDVNGPEPLNSRSNKLHFAFRLYDLDKDEKI
SRDELLQVLRMMVGVNISDEQLGSIADRTIQEADQDGDSAASFTEFVKVLEKVDVEQKMS
IRFLH

Ligands and cofactors

IDNameFormulaCopies
LBN1-palmitoyl-2-oleoyl-sn-glycero-3-phosphocholineC42 H82 N O8 P16

Primary citation

Structure and mechanism of the human NHE1-CHP1 complex. Dong, Y., Gao, Y., Ilie, A. et al. Nat Commun (2021) 12:3474-3474. DOI 10.1038/s41467-021-23496-z · PubMed

Other PDB entries of the same protein (UniProt P19634 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

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