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- PDB-6lcr: Cryo-EM structure of Dnf1 from Chaetomium thermophilum in the E1-... -

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Basic information

Entry
Database: PDB / ID: 6lcr
TitleCryo-EM structure of Dnf1 from Chaetomium thermophilum in the E1-ATP state
Components
  • Cdc50
  • Phospholipid-transporting ATPase
KeywordsLIPID TRANSPORT / P-type ATPase / lipid flippase
Function / homology
Function and homology information


phosphatidylserine floppase activity / phosphatidylethanolamine flippase activity / phosphatidylcholine floppase activity / P-type phospholipid transporter / endosome membrane / Golgi apparatus / magnesium ion binding / ATP hydrolysis activity / ATP binding / plasma membrane
Similarity search - Function
CDC50/LEM3 family / LEM3 (ligand-effect modulator 3) family / CDC50 family / P-type ATPase, subfamily IV / P-type ATPase, C-terminal / P-type ATPase, N-terminal / Phospholipid-translocating ATPase N-terminal / Phospholipid-translocating P-type ATPase C-terminal / Cation transport ATPase (P-type) / P-type ATPase, haloacid dehalogenase domain / P-type ATPase, phosphorylation site ...CDC50/LEM3 family / LEM3 (ligand-effect modulator 3) family / CDC50 family / P-type ATPase, subfamily IV / P-type ATPase, C-terminal / P-type ATPase, N-terminal / Phospholipid-translocating ATPase N-terminal / Phospholipid-translocating P-type ATPase C-terminal / Cation transport ATPase (P-type) / P-type ATPase, haloacid dehalogenase domain / P-type ATPase, phosphorylation site / P-type ATPase, cytoplasmic domain N / E1-E2 ATPases phosphorylation site. / P-type ATPase, A domain superfamily / P-type ATPase / P-type ATPase, transmembrane domain superfamily / HAD superfamily / HAD-like superfamily
Similarity search - Domain/homology
PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER / Chem-P5S / Phospholipid-transporting ATPase DNF1 / Phospholipid-transporting ATPase accessory subunit CDC50
Similarity search - Component
Biological speciesChaetomium thermophilum (fungus)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.4 Å
AuthorsHe, Y. / Xu, J. / Wu, X. / Li, L.
Funding support China, 1items
OrganizationGrant numberCountry
National Natural Science Foundation of China31870835 China
CitationJournal: Protein Cell / Year: 2020
Title: Structures of a P4-ATPase lipid flippase in lipid bilayers.
Authors: Yilin He / Jinkun Xu / Xiaofei Wu / Long Li /
History
DepositionNov 19, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Apr 29, 2020Provider: repository / Type: Initial release
Revision 1.1Jun 10, 2020Group: Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation_author.identifier_ORCID
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_atoms / pdbx_validate_close_contact / struct_asym / struct_conn / struct_conn_type / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.name / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_unobs_or_zero_occ_atoms.auth_asym_id / _pdbx_unobs_or_zero_occ_atoms.auth_atom_id / _pdbx_unobs_or_zero_occ_atoms.auth_comp_id / _pdbx_unobs_or_zero_occ_atoms.auth_seq_id / _pdbx_unobs_or_zero_occ_atoms.label_asym_id / _pdbx_unobs_or_zero_occ_atoms.label_atom_id / _pdbx_unobs_or_zero_occ_atoms.label_comp_id / _pdbx_validate_close_contact.auth_asym_id_1 / _pdbx_validate_close_contact.auth_asym_id_2 / _pdbx_validate_close_contact.auth_seq_id_1 / _pdbx_validate_close_contact.auth_seq_id_2 / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation

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Structure visualization

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Assembly

Deposited unit
A: Phospholipid-transporting ATPase
B: Cdc50
hetero molecules


Theoretical massNumber of molelcules
Total (without water)225,39710
Polymers221,8322
Non-polymers3,5658
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: gel filtration
TypeNameSymmetry operationNumber
identity operation1_5551
Buried area13250 Å2
ΔGint-26 kcal/mol
Surface area59320 Å2

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Components

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Protein , 2 types, 2 molecules AB

#1: Protein Phospholipid-transporting ATPase


Mass: 175379.531 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (fungus)
Strain: DSM 1495 / CBS 144.50 / IMI 039719 / Gene: CTHT_0012810 / Production host: Saccharomyces cerevisiae (brewer's yeast) / Strain (production host): BJ5465
References: UniProt: G0S196, P-type phospholipid transporter
#2: Protein Cdc50


Mass: 46452.312 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Chaetomium thermophilum (strain DSM 1495 / CBS 144.50 / IMI 039719) (fungus)
Strain: DSM 1495 / CBS 144.50 / IMI 039719 / Gene: CTHT_0052360 / Production host: Saccharomyces cerevisiae (brewer's yeast) / Strain (production host): BJ5465 / References: UniProt: G0SDN0

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Sugars , 3 types, 5 molecules

#3: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#4: Polysaccharide beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}LINUCSPDB-CARE
#8: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 3 types, 3 molecules

#5: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: Mg
#6: Chemical ChemComp-ACP / PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER / ADENOSINE-5'-[BETA, GAMMA-METHYLENE]TRIPHOSPHATE


Mass: 505.208 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C11H18N5O12P3 / Comment: AMP-PCP, energy-carrying molecule analogue*YM
#7: Chemical ChemComp-P5S / O-[(R)-{[(2R)-2,3-bis(octadecanoyloxy)propyl]oxy}(hydroxy)phosphoryl]-L-serine / phosphatidyl serine


Mass: 792.075 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C42H82NO10P

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Details

Has ligand of interestN

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Experimental details

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Experiment

ExperimentMethod: ELECTRON MICROSCOPY
EM experimentAggregation state: PARTICLE / 3D reconstruction method: single particle reconstruction

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Sample preparation

ComponentName: Heterodimer of Dnf1-Cdc50 / Type: COMPLEX / Entity ID: #1-#2 / Source: RECOMBINANT
Molecular weightExperimental value: NO
Source (natural)Organism: Chaetomium thermophilum var. thermophilum DSM 1495 (fungus)
Source (recombinant)Organism: Saccharomyces cerevisiae (brewer's yeast) / Strain: BJ5465
Buffer solutionpH: 7.5
SpecimenConc.: 1.5 mg/ml / Embedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationInstrument: FEI VITROBOT MARK IV / Cryogen name: ETHANE / Humidity: 100 % / Chamber temperature: 297 K

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: FEI TITAN KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD
Specimen holderCryogen: NITROGEN
Image recordingElectron dose: 57 e/Å2 / Detector mode: SUPER-RESOLUTION / Film or detector model: GATAN K2 SUMMIT (4k x 4k)

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Processing

EM software
IDNameCategory
2SerialEMimage acquisition
4GctfCTF correction
7UCSF Chimeramodel fitting
9PHENIXmodel refinement
10RELIONinitial Euler assignment
11RELIONfinal Euler assignment
12RELIONclassification
13RELION3D reconstruction
CTF correctionType: NONE
Particle selectionNum. of particles selected: 2397258
SymmetryPoint symmetry: C1 (asymmetric)
3D reconstructionResolution: 3.4 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 272912 / Num. of class averages: 2 / Symmetry type: POINT
Atomic model buildingProtocol: FLEXIBLE FIT / Space: REAL
RefinementStereochemistry target values: GeoStd + Monomer Library + CDL v1.2
Displacement parametersBiso mean: 42.88 Å2
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.008111823
ELECTRON MICROSCOPYf_angle_d0.904716052
ELECTRON MICROSCOPYf_chiral_restr0.06171804
ELECTRON MICROSCOPYf_plane_restr0.00932039
ELECTRON MICROSCOPYf_dihedral_angle_d13.87317029

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