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- PDB-6jxi: Rb+-bound E2-MgF state of the gastric proton pump (Tyr799Trp) -

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Basic information

Entry
Database: PDB / ID: 6jxi
TitleRb+-bound E2-MgF state of the gastric proton pump (Tyr799Trp)
Components(Potassium-transporting ATPase ...) x 2
KeywordsMEMBRANE PROTEIN / P-type ATPase / proton pump / gastric / ion pump
Function / homology
Function and homology information


H+/K+-exchanging ATPase / potassium:proton exchanging ATPase complex / P-type potassium:proton transporter activity / Ion transport by P-type ATPases / P-type sodium:potassium-exchanging transporter activity / sodium:potassium-exchanging ATPase complex / sodium ion export across plasma membrane / intracellular sodium ion homeostasis / intracellular potassium ion homeostasis / potassium ion import across plasma membrane ...H+/K+-exchanging ATPase / potassium:proton exchanging ATPase complex / P-type potassium:proton transporter activity / Ion transport by P-type ATPases / P-type sodium:potassium-exchanging transporter activity / sodium:potassium-exchanging ATPase complex / sodium ion export across plasma membrane / intracellular sodium ion homeostasis / intracellular potassium ion homeostasis / potassium ion import across plasma membrane / potassium ion binding / ATPase activator activity / potassium ion transmembrane transport / proton transmembrane transport / cell adhesion / apical plasma membrane / magnesium ion binding / ATP hydrolysis activity / ATP binding / plasma membrane
Similarity search - Function
Gastric H+/K+-transporter P-type ATPase, N-terminal / Gastric H+/K+-ATPase, N terminal domain / Calcium-transporting ATPase, transmembrane domain / Calcium-transporting ATPase, transmembrane domain / Calcium-transporting ATPase, cytoplasmic transduction domain A / Calcium-transporting ATPase, cytoplasmic transduction domain A / Sodium/potassium-transporting ATPase subunit beta / Sodium/potassium-transporting ATPase subunit beta superfamily / : / Sodium / potassium ATPase beta chain ...Gastric H+/K+-transporter P-type ATPase, N-terminal / Gastric H+/K+-ATPase, N terminal domain / Calcium-transporting ATPase, transmembrane domain / Calcium-transporting ATPase, transmembrane domain / Calcium-transporting ATPase, cytoplasmic transduction domain A / Calcium-transporting ATPase, cytoplasmic transduction domain A / Sodium/potassium-transporting ATPase subunit beta / Sodium/potassium-transporting ATPase subunit beta superfamily / : / Sodium / potassium ATPase beta chain / Sodium and potassium ATPases beta subunits signature 1. / Sodium and potassium ATPases beta subunits signature 2. / P-type ATPase subfamily IIC, subunit alpha / haloacid dehalogenase-like hydrolase / Calcium-transporting ATPase, cytoplasmic domain N / Calcium-transporting ATPase, cytoplasmic domain N / Cation-transporting P-type ATPase, C-terminal / Cation transporting ATPase, C-terminus / Cation transporter/ATPase, N-terminus / Cation-transporting P-type ATPase, N-terminal / Cation transporter/ATPase, N-terminus / Cation transport ATPase (P-type) / E1-E2 ATPase / 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 / HAD superfamily/HAD-like / P-type ATPase / P-type ATPase, transmembrane domain superfamily / haloacid dehalogenase-like hydrolase / HAD superfamily / HAD-like superfamily / Distorted Sandwich / Up-down Bundle / Rossmann fold / 3-Layer(aba) Sandwich / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
O-DODECANYL OCTAETHYLENE GLYCOL / CHOLESTEROL / TETRAFLUOROMAGNESATE(2-) / 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE / RUBIDIUM ION / Potassium-transporting ATPase subunit beta / Potassium-transporting ATPase alpha chain 1
Similarity search - Component
Biological speciesSus scrofa (pig)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å
AuthorsAbe, K. / Irie, K.
CitationJournal: Elife / Year: 2019
Title: A single K + -binding site in the crystal structure of the gastric proton pump.
Authors: Yamamoto, K. / Dubey, V. / Irie, K. / Nakanishi, H. / Khandelia, H. / Fujiyoshi, Y. / Abe, K.
History
DepositionApr 23, 2019Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Aug 14, 2019Provider: repository / Type: Initial release
Revision 1.1Sep 4, 2019Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.pdbx_database_id_DOI ..._citation.journal_volume / _citation.pdbx_database_id_DOI / _citation.pdbx_database_id_PubMed / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Jul 29, 2020Group: Data collection / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_conn_type / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.value / _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
Revision 1.3Sep 30, 2020Group: Database references / Structure summary / Category: chem_comp / citation / Item: _chem_comp.pdbx_synonyms / _citation.title
Revision 1.4Nov 22, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.5Nov 13, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Potassium-transporting ATPase alpha chain 1
B: Potassium-transporting ATPase subunit beta
hetero molecules


Theoretical massNumber of molelcules
Total (without water)148,02121
Polymers142,2032
Non-polymers5,81719
Water6,503361
1


  • Idetical with deposited unit
  • defined by author&software
  • Evidence: homology
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area13270 Å2
ΔGint-101 kcal/mol
Surface area53620 Å2
MethodPISA
Unit cell
Length a, b, c (Å)103.380, 103.380, 369.860
Angle α, β, γ (deg.)90.000, 90.000, 120.000
Int Tables number152
Space group name H-MP3121
Space group name HallP312"
Symmetry operation#1: x,y,z
#2: -y,x-y,z+1/3
#3: -x+y,-x,z+2/3
#4: x-y,-y,-z+2/3
#5: -x,-x+y,-z+1/3
#6: y,x,-z

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Components

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Potassium-transporting ATPase ... , 2 types, 2 molecules AB

#1: Protein Potassium-transporting ATPase alpha chain 1 / Gastric H(+)/K(+) ATPase subunit alpha / Proton pump


Mass: 109220.711 Da / Num. of mol.: 1 / Mutation: R220C, S593C, Y799W, G1005S
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sus scrofa (pig) / Gene: ATP4A / Cell line (production host): HEK293S / Production host: Homo sapiens (human) / Variant (production host): GnTI- / References: UniProt: P19156, H+/K+-exchanging ATPase
#2: Protein Potassium-transporting ATPase subunit beta / Gastric H(+)/K(+) ATPase subunit beta / Proton pump beta chain / gp60-90


Mass: 32982.652 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Sus scrofa (pig) / Gene: ATP4B / Cell line (production host): HEK293S / Production host: Homo sapiens (human) / Variant (production host): GnT1- / References: UniProt: P18434

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Sugars , 1 types, 5 molecules

#8: Sugar
ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 5 / Source method: obtained synthetically / 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 , 7 types, 375 molecules

#3: Chemical ChemComp-MF4 / TETRAFLUOROMAGNESATE(2-) / MAGNESIUMTETRAFLUORIDE


Mass: 100.299 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: F4Mg
#4: Chemical
ChemComp-PCW / 1,2-DIOLEOYL-SN-GLYCERO-3-PHOSPHOCHOLINE / (Z,Z)-4-HYDROXY-N,N,N-TRIMETHYL-10-OXO-7-[(1-OXO-9-OCTADECENYL)OXY]-3,5,9-TRIOXA-4-PHOSPHAHEPTACOS-18-EN-1-AMINIUM-4-OXIDE


Mass: 787.121 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C44H85NO8P / Comment: DOPC, phospholipid*YM
#5: Chemical ChemComp-CE1 / O-DODECANYL OCTAETHYLENE GLYCOL / THESIT


Mass: 538.755 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C28H58O9
#6: Chemical ChemComp-MG / MAGNESIUM ION


Mass: 24.305 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: Mg
#7: Chemical
ChemComp-RB / RUBIDIUM ION


Mass: 85.468 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: Rb
#9: Chemical ChemComp-CLR / CHOLESTEROL


Mass: 386.654 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C27H46O
#10: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 361 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 4.1 Å3/Da / Density % sol: 70.03 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6.5
Details: 10% glycerol, 20% PEG2000MME, 0.4 M RbCl, 3% methylpentanediol, 5 mM beta-mercaptoethanol

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Data collection

DiffractionMean temperature: 80 K / Serial crystal experiment: N
Diffraction sourceSource: SYNCHROTRON / Site: SPring-8 / Beamline: BL41XU / Wavelength: 1 Å
DetectorType: DECTRIS EIGER X 16M / Detector: PIXEL / Date: May 14, 2018
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.6→48 Å / Num. obs: 63831 / % possible obs: 88.93 % / Redundancy: 8 % / Biso Wilson estimate: 52.6 Å2 / CC1/2: 0.99 / Net I/σ(I): 16.19
Reflection shellResolution: 2.6→2.7 Å / Mean I/σ(I) obs: 1.16 / Num. unique obs: 2533 / CC1/2: 0.7

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Processing

Software
NameVersionClassification
PHENIX1.13_2998refinement
PHENIX1.13_2998refinement
XDSdata reduction
XDSdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 5ylu

5ylu


Resolution: 2.6→47.67 Å / SU ML: 0.4014 / Cross valid method: FREE R-VALUE / σ(F): 1.34 / Phase error: 29.9204
RfactorNum. reflection% reflection
Rfree0.2629 3355 5.26 %
Rwork0.2062 --
obs0.2092 63831 88.95 %
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å
Displacement parametersBiso mean: 62.59 Å2
Refinement stepCycle: LAST / Resolution: 2.6→47.67 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9762 0 348 361 10471
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.008910334
X-RAY DIFFRACTIONf_angle_d1.208814010
X-RAY DIFFRACTIONf_chiral_restr0.06831580
X-RAY DIFFRACTIONf_plane_restr0.00661778
X-RAY DIFFRACTIONf_dihedral_angle_d22.98433901
LS refinement shell
Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkRefine-ID% reflection obs (%)
2.6-2.640.5391430.3931877X-RAY DIFFRACTION31.39
2.64-2.680.3599610.33411044X-RAY DIFFRACTION37.92
2.68-2.720.4621670.32121287X-RAY DIFFRACTION45.27
2.72-2.760.36740.32941547X-RAY DIFFRACTION55.82
2.76-2.810.3289950.31221918X-RAY DIFFRACTION68.52
2.81-2.860.39221540.31092664X-RAY DIFFRACTION94.95
2.86-2.920.33351440.30422771X-RAY DIFFRACTION99.59
2.92-2.980.34571560.2872806X-RAY DIFFRACTION99.83
2.98-3.040.37841630.28732805X-RAY DIFFRACTION99.6
3.04-3.110.33821700.26732755X-RAY DIFFRACTION99.69
3.11-3.190.33641650.24912759X-RAY DIFFRACTION99.83
3.19-3.280.31761500.23862810X-RAY DIFFRACTION99.9
3.28-3.370.29621680.2182812X-RAY DIFFRACTION99.8
3.37-3.480.29531440.21062818X-RAY DIFFRACTION99.9
3.48-3.610.27931480.21392830X-RAY DIFFRACTION99.9
3.61-3.750.24231730.18642821X-RAY DIFFRACTION99.77
3.75-3.920.23741310.17212846X-RAY DIFFRACTION99.97
3.92-4.130.23921600.15632842X-RAY DIFFRACTION99.87
4.13-4.390.20831540.15372835X-RAY DIFFRACTION99.97
4.39-4.720.18311500.13772901X-RAY DIFFRACTION99.93
4.72-5.20.20931620.14882841X-RAY DIFFRACTION99.9
5.2-5.950.23681600.17632898X-RAY DIFFRACTION99.97
5.95-7.490.23131800.20382919X-RAY DIFFRACTION99.97
7.49-47.680.24221830.22033070X-RAY DIFFRACTION99.42
Refinement TLS params.Method: refined / Origin x: 34.9419 Å / Origin y: -33.4592 Å / Origin z: -40.9095 Å
111213212223313233
T0.2346 Å2-0.0587 Å20.0607 Å2-0.2385 Å2-0.0256 Å2--0.3502 Å2
L0.1574 °20.0347 °20.2516 °2-0.3265 °20.2671 °2--1.6776 °2
S0.0265 Å °0.0454 Å °0.0557 Å °0.092 Å °-0.0182 Å °0.0896 Å °0.0684 Å °-0.1221 Å °-0.0165 Å °
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1allA47 - 1033
2X-RAY DIFFRACTION1allB29 - 290
3X-RAY DIFFRACTION1allA1101 - 1112
4X-RAY DIFFRACTION1allB301 - 307
5X-RAY DIFFRACTION1allA1201 - 1494
6X-RAY DIFFRACTION1allB401 - 467

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