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- EMDB-9230: Phosphorylated, ATP-bound human cystic fibrosis transmembrane con... -

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Basic information

Entry
Database: EMDB / ID: EMD-9230
TitlePhosphorylated, ATP-bound human cystic fibrosis transmembrane conductance regulator (CFTR)
Map data3.2A frealign refined map with -50A2 b-factor sharpening
Sample
  • Complex: human cystic fibrosis transmembrane conductance regulator (CFTR)
    • Protein or peptide: Cystic fibrosis transmembrane conductance regulator
    • Protein or peptide: Piece of Molecule-1
  • Ligand: MAGNESIUM ION
  • Ligand: ADENOSINE-5'-TRIPHOSPHATE
  • Ligand: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
  • Ligand: CHOLESTEROL
KeywordsABC transporter / anion channel / cystic fibrosis / membrane protein / HYDROLASE
Function / homology
Function and homology information


positive regulation of voltage-gated chloride channel activity / : / Sec61 translocon complex binding / channel-conductance-controlling ATPase / intracellularly ATP-gated chloride channel activity / positive regulation of enamel mineralization / transepithelial water transport / RHO GTPases regulate CFTR trafficking / amelogenesis / intracellular pH elevation ...positive regulation of voltage-gated chloride channel activity / : / Sec61 translocon complex binding / channel-conductance-controlling ATPase / intracellularly ATP-gated chloride channel activity / positive regulation of enamel mineralization / transepithelial water transport / RHO GTPases regulate CFTR trafficking / amelogenesis / intracellular pH elevation / chloride channel inhibitor activity / : / Golgi-associated vesicle membrane / multicellular organismal-level water homeostasis / cholesterol transport / bicarbonate transport / bicarbonate transmembrane transporter activity / vesicle docking involved in exocytosis / chloride channel regulator activity / membrane hyperpolarization / chloride transmembrane transporter activity / sperm capacitation / cholesterol biosynthetic process / RHOQ GTPase cycle / chloride channel activity / positive regulation of exocytosis / ATPase-coupled transmembrane transporter activity / chloride channel complex / positive regulation of insulin secretion involved in cellular response to glucose stimulus / ABC-type transporter activity / 14-3-3 protein binding / cellular response to forskolin / chloride transmembrane transport / response to endoplasmic reticulum stress / cellular response to cAMP / PDZ domain binding / establishment of localization in cell / clathrin-coated endocytic vesicle membrane / Defective CFTR causes cystic fibrosis / Late endosomal microautophagy / recycling endosome / ABC-family proteins mediated transport / transmembrane transport / recycling endosome membrane / Chaperone Mediated Autophagy / Aggrephagy / Cargo recognition for clathrin-mediated endocytosis / Clathrin-mediated endocytosis / protein-folding chaperone binding / early endosome membrane / early endosome / endosome membrane / Ub-specific processing proteases / apical plasma membrane / lysosomal membrane / endoplasmic reticulum membrane / enzyme binding / cell surface / protein-containing complex / ATP hydrolysis activity / ATP binding / nucleus / membrane / plasma membrane / cytoplasm / cytosol
Similarity search - Function
: / CFTR regulator domain / Cystic fibrosis TM conductance regulator (CFTR), regulator domain / Cystic fibrosis transmembrane conductance regulator / : / ABC transporter transmembrane region / ABC transporter type 1, transmembrane domain / ABC transporter integral membrane type-1 fused domain profile. / ABC transporter type 1, transmembrane domain superfamily / ABC transporter-like, conserved site ...: / CFTR regulator domain / Cystic fibrosis TM conductance regulator (CFTR), regulator domain / Cystic fibrosis transmembrane conductance regulator / : / ABC transporter transmembrane region / ABC transporter type 1, transmembrane domain / ABC transporter integral membrane type-1 fused domain profile. / ABC transporter type 1, transmembrane domain superfamily / ABC transporter-like, conserved site / ABC transporters family signature. / ABC transporter / ABC transporter-like, ATP-binding domain / ATP-binding cassette, ABC transporter-type domain profile. / ATPases associated with a variety of cellular activities / AAA+ ATPase domain / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Cystic fibrosis transmembrane conductance regulator
Similarity search - Component
Biological speciesHomo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.2 Å
AuthorsZhang Z / Liu F
CitationJournal: Proc Natl Acad Sci U S A / Year: 2018
Title: Molecular structure of the ATP-bound, phosphorylated human CFTR.
Authors: Zhe Zhang / Fangyu Liu / Jue Chen /
Abstract: The cystic fibrosis transmembrane conductance regulator (CFTR) is an anion channel important in maintaining proper functions of the lung, pancreas, and intestine. The activity of CFTR is regulated by ...The cystic fibrosis transmembrane conductance regulator (CFTR) is an anion channel important in maintaining proper functions of the lung, pancreas, and intestine. The activity of CFTR is regulated by ATP and protein kinase A-dependent phosphorylation. To understand the conformational changes elicited by phosphorylation and ATP binding, we present here the structure of phosphorylated, ATP-bound human CFTR, determined by cryoelectron microscopy to 3.2-Å resolution. This structure reveals the position of the R domain after phosphorylation. By comparing the structures of human CFTR and zebrafish CFTR determined under the same condition, we identified common features essential to channel gating. The differences in their structures indicate plasticity permitted in evolution to achieve the same function. Finally, the structure of CFTR provides a better understanding of why the G178R, R352Q, L927P, and G970R/D mutations would impede conformational changes of CFTR and lead to cystic fibrosis.
History
DepositionOct 16, 2018-
Header (metadata) releaseNov 21, 2018-
Map releaseNov 21, 2018-
UpdateMar 13, 2024-
Current statusMar 13, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.5
  • Imaged by UCSF Chimera
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  • Surface view colored by height
  • Surface level: 0.5
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6msm
  • Surface level: 0.5
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_9230.png

Downloads & links

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Map

FileDownload / File: emd_9230.map.gz / Format: CCP4 / Size: 103 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Annotation3.2A frealign refined map with -50A2 b-factor sharpening
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.03 Å/pix.
x 300 pix.
= 309. Å		1.03 Å/pix.
x 300 pix.
= 309. Å		1.03 Å/pix.
x 300 pix.
= 309. Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.03 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.5 / Movie #1: 0.5
Minimum - Maximum-1.3069118 - 2.3530545
Average (Standard dev.)0.002236153 (±0.056431342)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions300300300
Spacing300300300
CellA=B=C: 309.0 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.031.031.03
M x/y/z300300300
origin x/y/z0.0000.0000.000
length x/y/z309.000309.000309.000
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ240240240
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS300300300
D min/max/mean-1.3072.3530.002

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Supplemental data

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Sample components

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Entire : human cystic fibrosis transmembrane conductance regulator (CFTR)

EntireName: human cystic fibrosis transmembrane conductance regulator (CFTR)
Components
  • Complex: human cystic fibrosis transmembrane conductance regulator (CFTR)
    • Protein or peptide: Cystic fibrosis transmembrane conductance regulator
    • Protein or peptide: Piece of Molecule-1
  • Ligand: MAGNESIUM ION
  • Ligand: ADENOSINE-5'-TRIPHOSPHATE
  • Ligand: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
  • Ligand: CHOLESTEROL

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Supramolecule #1: human cystic fibrosis transmembrane conductance regulator (CFTR)

SupramoleculeName: human cystic fibrosis transmembrane conductance regulator (CFTR)
type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#2
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 168 KDa

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Macromolecule #1: Cystic fibrosis transmembrane conductance regulator

MacromoleculeName: Cystic fibrosis transmembrane conductance regulator / type: protein_or_peptide / ID: 1 / Number of copies: 1 / Enantiomer: LEVO / EC number: ec: 3.6.3.49
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 169.352594 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString: MQRSPLEKAS VVSKLFFSWT RPILRKGYRQ RLELSDIYQI PSVDSADNLS EKLEREWDRE LASKKNPKLI NALRRCFFWR FMFYGIFLY LGEVTKAVQP LLLGRIIASY DPDNKEERSI AIYLGIGLCL LFIVRTLLLH PAIFGLHHIG MQMRIAMFSL I YKKTLKLS ...String:
MQRSPLEKAS VVSKLFFSWT RPILRKGYRQ RLELSDIYQI PSVDSADNLS EKLEREWDRE LASKKNPKLI NALRRCFFWR FMFYGIFLY LGEVTKAVQP LLLGRIIASY DPDNKEERSI AIYLGIGLCL LFIVRTLLLH PAIFGLHHIG MQMRIAMFSL I YKKTLKLS SRVLDKISIG QLVSLLSNNL NKFDEGLALA HFVWIAPLQV ALLMGLIWEL LQASAFCGLG FLIVLALFQA GL GRMMMKY RDQRAGKISE RLVITSEMIE NIQSVKAYCW EEAMEKMIEN LRQTELKLTR KAAYVRYFNS SAFFFSGFFV VFL SVLPYA LIKGIILRKI FTTISFCIVL RMAVTRQFPW AVQTWYDSLG AINKIQDFLQ KQEYKTLEYN LTTTEVVMEN VTAF WEEGF GELFEKAKQN NNNRKTSNGD DSLFFSNFSL LGTPVLKDIN FKIERGQLLA VAGSTGAGKT SLLMVIMGEL EPSEG KIKH SGRISFCSQF SWIMPGTIKE NIIFGVSYDE YRYRSVIKAC QLEEDISKFA EKDNIVLGEG GITLSGGQRA RISLAR AVY KDADLYLLDS PFGYLDVLTE KEIFESCVCK LMANKTRILV TSKMEHLKKA DKILILHEGS SYFYGTFSEL QNLQPDF SS KLMGCDSFDQ FSAERRNSIL TETLHRFSLE GDAPVSWTET KKQSFKQTGE FGEKRKNSIL NPINSIRKFS IVQKTPLQ M NGIEEDSDEP LERRLSLVPD SEQGEAILPR ISVISTGPTL QARRRQSVLN LMTHSVNQGQ NIHRKTTAST RKVSLAPQA NLTELDIYSR RLSQETGLEI SEEINEEDLK ECFFDDMESI PAVTTWNTYL RYITVHKSLI FVLIWCLVIF LAEVAASLVV LWLLGNTPL QDKGNSTHSR NNSYAVIITS TSSYYVFYIY VGVADTLLAM GFFRGLPLVH TLITVSKILH HKMLHSVLQA P MSTLNTLK AGGILNRFSK DIAILDDLLP LTIFDFIQLL LIVIGAIAVV AVLQPYIFVA TVPVIVAFIM LRAYFLQTSQ QL KQLESEG RSPIFTHLVT SLKGLWTLRA FGRQPYFETL FHKALNLHTA NWFLYLSTLR WFQMRIEMIF VIFFIAVTFI SIL TTGEGE GRVGIILTLA MNIMSTLQWA VNSSIDVDSL MRSVSRVFKF IDMPTEGKPT KSTKPYKNGQ LSKVMIIENS HVKK DDIWP SGGQMTVKDL TAKYTEGGNA ILENISFSIS PGQRVGLLGR TGSGKSTLLS AFLRLLNTEG EIQIDGVSWD SITLQ QWRK AFGVIPQKVF IFSGTFRKNL DPYEQWSDQE IWKVADEVGL RSVIEQFPGK LDFVLVDGGC VLSHGHKQLM CLARSV LSK AKILLLDQPS AHLDPVTYQI IRRTLKQAFA DCTVILCEHR IEAMLECQQF LVIEENKVRQ YDSIQKLLNE RSLFRQA IS PSDRVKLFPH RNSSKCKSKP QIAALKEETE EEVQDTRLSN SLEVLFQ

UniProtKB: Cystic fibrosis transmembrane conductance regulator

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Macromolecule #2: Piece of Molecule-1

MacromoleculeName: Piece of Molecule-1 / type: protein_or_peptide / ID: 2 / Details: This is a part of Chain A / Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 1.464797 KDa
Recombinant expressionOrganism: Homo sapiens (human)
SequenceString:
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)

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Macromolecule #3: MAGNESIUM ION

MacromoleculeName: MAGNESIUM ION / type: ligand / ID: 3 / Number of copies: 2 / Formula: MG
Molecular weightTheoretical: 24.305 Da

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Macromolecule #4: ADENOSINE-5'-TRIPHOSPHATE

MacromoleculeName: ADENOSINE-5'-TRIPHOSPHATE / type: ligand / ID: 4 / Number of copies: 2 / Formula: ATP
Molecular weightTheoretical: 507.181 Da
Chemical component information

ChemComp-ATP:
ADENOSINE-5'-TRIPHOSPHATE / ATP, energy-carrying molecule*YM

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Macromolecule #5: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(tri...

MacromoleculeName: (2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate
type: ligand / ID: 5 / Number of copies: 5 / Formula: POV
Molecular weightTheoretical: 760.076 Da
Chemical component information

ChemComp-POV:
(2S)-3-(hexadecanoyloxy)-2-[(9Z)-octadec-9-enoyloxy]propyl 2-(trimethylammonio)ethyl phosphate / phospholipid*YM

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Macromolecule #6: CHOLESTEROL

MacromoleculeName: CHOLESTEROL / type: ligand / ID: 6 / Number of copies: 1 / Formula: CLR
Molecular weightTheoretical: 386.654 Da
Chemical component information

ChemComp-CLR:
CHOLESTEROL

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Experimental details

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Structure determination

Methodcryo EM
Processingsingle particle reconstruction
Aggregation stateparticle

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Sample preparation

Concentration5 mg/mL
BufferpH: 7.5
GridDetails: unspecified
VitrificationCryogen name: ETHANE / Chamber humidity: 100 % / Chamber temperature: 298 K / Instrument: FEI VITROBOT MARK I

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Average electron dose: 1.51 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: EMDB MAP
EMDB ID:

8782

Final reconstructionApplied symmetry - Point group: C1 (asymmetric) / Resolution.type: BY AUTHOR / Resolution: 3.2 Å / Resolution method: FSC 0.143 CUT-OFF / Number images used: 677308
Initial angle assignmentType: ANGULAR RECONSTITUTION
Final angle assignmentType: ANGULAR RECONSTITUTION

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