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- EMDB-22015: Wt pig RyR1 in complex with apoCaM, EGTA condition (class 1 and 2... -

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Basic information

Entry
Database: EMDB / ID: EMD-22015
TitleWt pig RyR1 in complex with apoCaM, EGTA condition (class 1 and 2, closed)
Map dataRyR1, FKBP12.6, CaM
Sample
  • Complex: ryanodine receptor-FKBP1B-Calmodulin complex
    • Complex: ryanodine receptor
      • Protein or peptide: Ryanodine Receptor
    • Complex: FKBP1B
      • Protein or peptide: Peptidyl-prolyl cis-trans isomerase FKBP1B
    • Complex: Calmodulin
      • Protein or peptide: Calmodulin-1
  • Ligand: ZINC ION
Keywordsreceptor / calcium / channel / complex / TRANSPORT PROTEIN-ISOMERASE-CALCIUM BINDING PROTEIN complex
Function / homology
Function and homology information


positive regulation of sequestering of calcium ion / cyclic nucleotide binding / negative regulation of calcium-mediated signaling / negative regulation of insulin secretion involved in cellular response to glucose stimulus / negative regulation of release of sequestered calcium ion into cytosol / neuronal action potential propagation / insulin secretion involved in cellular response to glucose stimulus / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers ...positive regulation of sequestering of calcium ion / cyclic nucleotide binding / negative regulation of calcium-mediated signaling / negative regulation of insulin secretion involved in cellular response to glucose stimulus / negative regulation of release of sequestered calcium ion into cytosol / neuronal action potential propagation / insulin secretion involved in cellular response to glucose stimulus / CaM pathway / Cam-PDE 1 activation / Sodium/Calcium exchangers / Calmodulin induced events / Reduction of cytosolic Ca++ levels / response to redox state / Activation of Ca-permeable Kainate Receptor / CREB1 phosphorylation through the activation of CaMKII/CaMKK/CaMKIV cascasde / Loss of phosphorylation of MECP2 at T308 / CREB1 phosphorylation through the activation of Adenylate Cyclase / 'de novo' protein folding / PKA activation / CaMK IV-mediated phosphorylation of CREB / negative regulation of high voltage-gated calcium channel activity / negative regulation of heart rate / Glycogen breakdown (glycogenolysis) / CLEC7A (Dectin-1) induces NFAT activation / Activation of RAC1 downstream of NMDARs / organelle localization by membrane tethering / negative regulation of calcium ion export across plasma membrane / mitochondrion-endoplasmic reticulum membrane tethering / autophagosome membrane docking / presynaptic endocytosis / FK506 binding / regulation of cardiac muscle cell action potential / positive regulation of ryanodine-sensitive calcium-release channel activity / positive regulation of axon regeneration / Synthesis of IP3 and IP4 in the cytosol / regulation of cell communication by electrical coupling involved in cardiac conduction / Phase 0 - rapid depolarisation / negative regulation of ryanodine-sensitive calcium-release channel activity / Negative regulation of NMDA receptor-mediated neuronal transmission / calcineurin-mediated signaling / Unblocking of NMDA receptors, glutamate binding and activation / RHO GTPases activate PAKs / Ion transport by P-type ATPases / Uptake and function of anthrax toxins / Long-term potentiation / protein phosphatase activator activity / Regulation of MECP2 expression and activity / Calcineurin activates NFAT / regulation of ryanodine-sensitive calcium-release channel activity / DARPP-32 events / smooth muscle contraction / response to vitamin E / Smooth Muscle Contraction / catalytic complex / detection of calcium ion / regulation of cardiac muscle contraction / RHO GTPases activate IQGAPs / regulation of cardiac muscle contraction by regulation of the release of sequestered calcium ion / presynaptic cytosol / calcium channel inhibitor activity / cellular response to interferon-beta / Protein methylation / Activation of AMPK downstream of NMDARs / T cell proliferation / Ion homeostasis / regulation of release of sequestered calcium ion into cytosol by sarcoplasmic reticulum / eNOS activation / regulation of calcium-mediated signaling / titin binding / Tetrahydrobiopterin (BH4) synthesis, recycling, salvage and regulation / voltage-gated potassium channel complex / release of sequestered calcium ion into cytosol / sarcoplasmic reticulum membrane / calcium channel regulator activity / sperm midpiece / substantia nigra development / calcium channel complex / calyx of Held / FCERI mediated Ca+2 mobilization / Ras activation upon Ca2+ influx through NMDA receptor / FCGR3A-mediated IL10 synthesis / adenylate cyclase activator activity / protein maturation / regulation of heart rate / Antigen activates B Cell Receptor (BCR) leading to generation of second messengers / protein serine/threonine kinase activator activity / VEGFR2 mediated cell proliferation / peptidyl-prolyl cis-trans isomerase activity / sarcomere / regulation of cytokinesis / VEGFR2 mediated vascular permeability / RNA polymerase II CTD heptapeptide repeat P3 isomerase activity / RNA polymerase II CTD heptapeptide repeat P6 isomerase activity / Translocation of SLC2A4 (GLUT4) to the plasma membrane / positive regulation of receptor signaling pathway via JAK-STAT / spindle microtubule / peptidylprolyl isomerase / RAF activation / calcium-mediated signaling / Transcriptional activation of mitochondrial biogenesis
Similarity search - Function
: / FKBP-type peptidyl-prolyl cis-trans isomerase domain profile. / FKBP-type peptidyl-prolyl cis-trans isomerase / FKBP-type peptidyl-prolyl cis-trans isomerase domain / Peptidyl-prolyl cis-trans isomerase domain superfamily / : / EF-hand domain pair / EF-hand, calcium binding motif / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. ...: / FKBP-type peptidyl-prolyl cis-trans isomerase domain profile. / FKBP-type peptidyl-prolyl cis-trans isomerase / FKBP-type peptidyl-prolyl cis-trans isomerase domain / Peptidyl-prolyl cis-trans isomerase domain superfamily / : / EF-hand domain pair / EF-hand, calcium binding motif / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. / EF-hand domain / EF-hand domain pair
Similarity search - Domain/homology
Calmodulin-1 / Peptidyl-prolyl cis-trans isomerase FKBP1B
Similarity search - Component
Biological speciesSus scrofa (pig) / Homo sapiens (human)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.8 Å
AuthorsWoll KW / Haji-Ghassemi O
Funding support1 items
OrganizationGrant numberCountry
Canadian Institutes of Health Research (CIHR)
CitationJournal: Nat Commun / Year: 2021
Title: Pathological conformations of disease mutant Ryanodine Receptors revealed by cryo-EM.
Authors: Kellie A Woll / Omid Haji-Ghassemi / Filip Van Petegem /
Abstract: Ryanodine Receptors (RyRs) are massive channels that release Ca from the endoplasmic and sarcoplasmic reticulum. Hundreds of mutations are linked to malignant hyperthermia (MH), myopathies, and ...Ryanodine Receptors (RyRs) are massive channels that release Ca from the endoplasmic and sarcoplasmic reticulum. Hundreds of mutations are linked to malignant hyperthermia (MH), myopathies, and arrhythmias. Here, we explore the first MH mutation identified in humans by providing cryo-EM snapshots of the pig homolog, R615C, showing that it affects an interface between three solenoid regions. We also show the impact of apo-calmodulin (apoCaM) and how it can induce opening by bending of the bridging solenoid, mediated by its N-terminal lobe. For R615C RyR1, apoCaM binding abolishes a pathological 'intermediate' conformation, distributing the population to a mixture of open and closed channels, both different from the structure without apoCaM. Comparisons show that the mutation primarily affects the closed state, inducing partial movements linked to channel activation. This shows that disease mutations can cause distinct pathological conformations of the RyR and facilitate channel opening by disrupting interactions between different solenoid regions.
History
DepositionMay 21, 2020-
Header (metadata) releaseJan 13, 2021-
Map releaseJan 13, 2021-
UpdateMar 6, 2024-
Current statusMar 6, 2024Processing site: RCSB / Status: Released

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Structure visualization

Movie
  • Surface view with section colored by density value
  • Surface level: 0.022
  • Imaged by UCSF Chimera
  • Download
  • Surface view colored by cylindrical radius
  • Surface level: 0.022
  • Imaged by UCSF Chimera
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  • Surface view with fitted model
  • Atomic models: PDB-6x32
  • Surface level: 0.022
  • Imaged by UCSF Chimera
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Movie viewer
Structure viewerEM map:
SurfViewMolmilJmol/JSmol
Supplemental images

emd_22015.png

Downloads & links

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Map

FileDownload / File: emd_22015.map.gz / Format: CCP4 / Size: 421.9 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
AnnotationRyR1, FKBP12.6, CaM
Projections & slices

Image control

Size
Brightness
Contrast
Others
AxesZ (Sec.)Y (Row.)X (Col.)
1.09 Å/pix.
x 480 pix.
= 523.2 Å		1.09 Å/pix.
x 480 pix.
= 523.2 Å		1.09 Å/pix.
x 480 pix.
= 523.2 Å

Surface

Projections

Slices (1/3)

Slices (1/2)

Slices (2/3)

Images are generated by Spider.

Voxel sizeX=Y=Z: 1.09 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.022 / Movie #1: 0.022
Minimum - Maximum-0.1945345 - 0.24325041
Average (Standard dev.)-0.000000000022048 (±0.005130256)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions480480480
Spacing480480480
CellA=B=C: 523.2 Å
α=β=γ: 90.0 °

CCP4 map header:

modeImage stored as Reals
Å/pix. X/Y/Z1.091.091.09
M x/y/z480480480
origin x/y/z0.0000.0000.000
length x/y/z523.200523.200523.200
α/β/γ90.00090.00090.000
start NX/NY/NZ000
NX/NY/NZ410410410
MAP C/R/S123
start NC/NR/NS000
NC/NR/NS480480480
D min/max/mean-0.1950.243-0.000

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Supplemental data

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Sample components

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Entire : ryanodine receptor-FKBP1B-Calmodulin complex

EntireName: ryanodine receptor-FKBP1B-Calmodulin complex
Components
  • Complex: ryanodine receptor-FKBP1B-Calmodulin complex
    • Complex: ryanodine receptor
      • Protein or peptide: Ryanodine Receptor
    • Complex: FKBP1B
      • Protein or peptide: Peptidyl-prolyl cis-trans isomerase FKBP1B
    • Complex: Calmodulin
      • Protein or peptide: Calmodulin-1
  • Ligand: ZINC ION

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Supramolecule #1: ryanodine receptor-FKBP1B-Calmodulin complex

SupramoleculeName: ryanodine receptor-FKBP1B-Calmodulin complex / type: complex / ID: 1 / Parent: 0 / Macromolecule list: #1-#3

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Supramolecule #2: ryanodine receptor

SupramoleculeName: ryanodine receptor / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #2
Source (natural)Organism: Sus scrofa (pig)

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Supramolecule #3: FKBP1B

SupramoleculeName: FKBP1B / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #4: Calmodulin

SupramoleculeName: Calmodulin / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #3
Source (natural)Organism: Homo sapiens (human)

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Macromolecule #1: Peptidyl-prolyl cis-trans isomerase FKBP1B

MacromoleculeName: Peptidyl-prolyl cis-trans isomerase FKBP1B / type: protein_or_peptide / ID: 1 / Number of copies: 4 / Enantiomer: LEVO / EC number: peptidylprolyl isomerase
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 11.939562 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
SNAGVEIETI SPGDGRTFPK KGQTCVVHYT GMLQNGKKFD SSRDRNKPFK FRIGKQEVIK GFEEGAAQMS LGQRAKLTCT PDVAYGATG HPGVIPPNAT LIFDVELLNL E

UniProtKB: Peptidyl-prolyl cis-trans isomerase FKBP1B

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Macromolecule #2: Ryanodine Receptor

MacromoleculeName: Ryanodine Receptor / type: protein_or_peptide / ID: 2 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Sus scrofa (pig)
Molecular weightTheoretical: 422.853312 KDa
SequenceString: QFLRTDDEVV LQCNATVLKE QLKLCLAAEG FGNRLCFLEP TSNAQNVPPD LAICCFVLEQ SLSVRALQEM LANTVEAGHR TLLYGHAIL LRHAHSGMYL SCLTTSRSMT DKLAFDVGLQ EDATGEACWW TTHPASKQRS EGEKVRVGDD LILVSVSSER Y LHLSTLQV ...String:
QFLRTDDEVV LQCNATVLKE QLKLCLAAEG FGNRLCFLEP TSNAQNVPPD LAICCFVLEQ SLSVRALQEM LANTVEAGHR TLLYGHAIL LRHAHSGMYL SCLTTSRSMT DKLAFDVGLQ EDATGEACWW TTHPASKQRS EGEKVRVGDD LILVSVSSER Y LHLSTLQV DASFMQTLWN MNPICSGCEE GYVTGGHVLR LFHGHMDECL TISPADSDDQ RRLVYYEGGS VCTHARSLWR LE PLRISWS GSHLRWGQPL RIRHVTTGRY LALIEDQGLV VVDASKAHTK ATSFCFRISK EKLKRDVEGM GPPEIKYGES LCF VQHVAS GLWLTYAALK KKAILHQEGH MDDALSLTRC QQEESQAARM IYSTAGLYNH FIKGLDSFSG KPRGSGAPAG TALP LEGVI LSLQDLIGYF EPPSEELQHE EKQSKLRSLR NRQSLFQEEG MLSLVLNCID RLNVYTTAAH FAEFAGEEAA ESWKE IVNL LYEILASLIR GNRANCALFS NNLDWLVSKL DRLEASSGIL EVLYCVLIES PEVLNIIQEN HIKSIISLLD KHGRNH KVL DVLCSLCVCN GVAVRSNQDL ITENLLPGRE LLLQTNLINY VTSIRPNIFV GRAEGTTQYS KWYFEVMVDE VVPFLTA QA THLRVGWALT EGYSPYPGGG EGWGGNGVGD DLYSYGFDGL HLWTGHVPRL VTSPGQHLLA PEDVVSCCLD LSVPSISF R INGCPVQGVF EAFNLNGLFF PVVSFSAGVK VRFLLGGRHG EFKFLPPPGY APCHEAVLPR ERLRLEPIKE YRREGPRGP HLVGPSRCLS HTDFVPCPLP PHLERIREKL AENIHELWAL TRIEQGWTYG PVRDDNKRLH PCLVDFHSLP EPERNYNLQM SGETLKTLL ALGCHVGMAD EKAEDNLRKT KLPKTYMMSN GYKPAPLDLS HVRLTPAQTT LVDRLAENGH NVWARDRVAQ G WSYSAVQD IPARRNPRLV PYRLLDEATK RSNRDSLCQA VRTLLGYGYN IERVRIFRAE KSYAVQSGRW YFEFEAVTTG EM RVGWARP ELRPDVELGA DELAYVFNGH RGQRWHLGSE LFGRPWQSGD VVGCMIDLTE NTIIFTLNGE VLMSDSGSET AFR DIEVGD GFLPVCSLGP GQVGHLNLGQ DVSSLRFFAI CGLQEGFEPF AINMQRPVTT WFSKSLPQFE AVPLEHPHYE VSRV DGTVD TPPCLRLTHR SLVEMLFLRL SLPVQFHQLN TTTYYYSVRV FAGQEPSCVW VGWVTPDYHQ HDMNFDLTKV RAVTV TMGD NIHSSLKCSN CYMVWGGDFV SHTDLVIGCL VDLATGLMTF TANGKESNTF FQVEPNTKLF PAVFVLPTHQ NVIQFE LGK QKNIMPLSAA MFLSERKNPA PQCPPRLEMQ MLMPVSWSRM PNHFLRVETR RAGERLGWAV QCQEPLTMMA LHIPEEN RC MDILELSERL DLQQFHSHTL RLYRAVCALG NNRVAHALCS HVDQAQLLHA LEDAHLPGPL RAGYYDLLIS IHLESACR S RRSMLSEYIV PLTPETRAIT LFPPRRHGLP GVGVTTSLRP PHHFSAPCFV AALPEAPARL SPSIPLEALR DKALRMLGE AVRDGGQHAR DPVGGSVEFQ FVPVLKLVST LLVMGIFGDE DVKQILKMIE PEVEEGLLQM KLPESVKLQM CNLLEYFCDQ ELQHRVESL AAFAERYVDK LQANQRDRYG ILMKAFTMTA AETARRTREF RSPPQEQINM LLHFKPLPDE IRQDLLEFHQ D LLTHCGIQ LQSLQELVSH TVVRWAQEDF VQSPELVRAM FSLLHRQYDG LGELLRALPR AYTISPSSVE DTMSLLECLG QI RSLLIVQ MGPQEENLMI QSIGNIMNNK VFYQHPNLMR ALGMHETVME VMVNVLGKEI RFPKMVTSCC RFLCYFCRIS RQN QRSMFD HLSYLLENSG IGLGMQGSTP LDVAAASVID NNELALALQE QDLEKVVSYL AGCGLQSYPD IGWNPCGGER YLDF LRFAV FVNGESVEEN ANVVVRLLIR KPECFGPALR GEGGSGLLAT IEEAIRISEH LGHAIMSFYA ALIDLLGRCA PEMHL IQAG KGEALRIRAI LRSLVPLDDL VGIISLPKMS ASFVPDHKAS MVLFLDRVYG IENAAFLLHV LDVGFLPDMR AAATFS TTE MALALNRYLC LAVLPLITKC APLFAMVDSM LHTVYRLSRG RSLTKAQRDV IEECLMALCR YIRPSMLQHL LRRLVFD VP (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)AADPRPVET LNVIIPEKLD SFINKFAEYT HEKWAFDKIQ NNWSYGENID EELKTHPMLR PYKTFSEKDK EIYRWP IKE SLKAMIAWEW TIEKAREGEY NPQPPDLSGV TLSRELQAMA EQLAENYHNT WGRKKKQELE AKGGGTHPLL VPYDTLT AK EKARDREKAQ ELLKFLQMNG YAVTR(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)PLLIRY VDNN RAHWL TEPNPSAEEL FRMVGEIFIY WSK(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK)RRAVVAC FRMTPLYNLP THRACNMFLE SYKAAWILTE DHS FEDRMI DDLSKAGEQE EEEEEVEEKK PDPLHQLVLH FSRTALTEKS KLDEDYLYMA YADIMAKSCH LSFEEKEMEK QRLL YQQAR LHNRGAAEMV LQMISACKGE TGAMVSSTLK LGISILNGGN ADVQQKMLDY LKDKKEVGFF QSIQALMQTC SVLDL NAFE RQNKAEGLGM VNEDGTVEKV MADDEFTQDL FRFLQLLCEG HNNDFQNYLR TQTGNTTTIN IIICTVDYLL RLQESI SDF YWYYSGKDVI EEQGKRNFSK AMSVAKQVFN SLTEYIQGPC TGNQQSLAHS RLWDAVVGFL HVFAHMMMKL AQDSSQI EL LKELLDLQKD MVVMLLSLLE GNVVNGMIAR QMVDMLVESS SNVEMILKFF DMFLKLKDIV GSEAFQDYVT DPRGLISK K DFQK(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) EFANRFQEPA RDIGFNVAVL LTNLSEHVPH DPRLRNFLEL AESIL EYFR PYLGRIEIMG ASRRIERIYF EISETNRAQW EMPQVKESKR QFIFDVVNEG GESEKMELFV SFCEDTIFEM QIAAQI (UNK)(UNK)(UNK) (UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK) (UNK)(UNK)(UNK) (UNK)EVQRV KFLNYLSRNF YTLRFLALFL AFAINFILLF YKVSDSPPVY YFLEESTGYM EPALRCLSLL HTLVAFLCII GYNCLKVPL VIFKREKELA RKLEFDGLYI TEQPEDDDVK GQWDRLVLNT PSFPSNYWDK FVKRKVLDKH GDIYGRERIA E IDVKYQIW KFGVIFTDNS FLYLGWYMVM SLLGHYNNFF FAAHLLDIAM GVKTLRTILS SVTHNGKQLV MTVGLLAVVV YL YTVVAFN FFRKFYNKDM KCDDMMTCYL FHMYVGVRAG GGIGDEIEDP AGDEYELYRV VFDITFFFFV IVILLAIIQG LII DAFGEL RDQQEQVRED METKCFICGI GSDYFDTTPH RFETHTLEEH NLANYMFFLM YLINKDETEH TGQESYVWKM YQER CWDFF PAGDCFRKQY EDQLS

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Macromolecule #3: Calmodulin-1

MacromoleculeName: Calmodulin-1 / type: protein_or_peptide / ID: 3 / Number of copies: 4 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 16.521094 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString:
DQLTEEQIAE FKEAFSLFDK DGDGTITTKE LGTVMRSLGQ NPTEAELQDM INEVDADGNG TIDFPEFLTM MARKMKDTDS EEEIREAFR VFDKDGNGYI SAAELRHVMT NLGEKLTDEE VDEMIREADI DGDGQVNYEE FVQMMTA

UniProtKB: Calmodulin-1

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Macromolecule #4: ZINC ION

MacromoleculeName: ZINC ION / type: ligand / ID: 4 / Number of copies: 4 / Formula: ZN
Molecular weightTheoretical: 65.409 Da

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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

BufferpH: 7.5
GridDetails: unspecified
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: FEI FALCON III (4k x 4k) / Average electron dose: 50.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: OTHER / Imaging mode: DIFFRACTION
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
Final reconstructionApplied symmetry - Point group: C4 (4 fold cyclic) / Resolution.type: BY AUTHOR / Resolution: 3.8 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: PHENIX (ver. dev-3714) / Number images used: 44957
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD

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