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- EMDB-34943: Structure of C5a-pep bound mouse C5aR1 in complex with Go -

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Entry
Database: EMDB / ID: EMD-34943
TitleStructure of C5a-pep bound mouse C5aR1 in complex with Go
Map data
Sample
  • Complex: GPCR-G protein in complex with a synthetic peptide agonist
    • Complex: C5a anaphylatoxin chemotactic receptor 1
      • Protein or peptide: C5a anaphylatoxin chemotactic receptor 1
    • Complex: synthetic peptide
      • Protein or peptide: MEA-LYS-PRO-ZAL-ALC-DAR
    • Complex: Guanine nucleotide-binding protein G(o) subunit alpha
      • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: Antibody fragment
      • Protein or peptide: Antibody fragment ScFv16
KeywordsGPCR / G protein / SIGNALING PROTEIN / SIGNATLING PROTEIN-IMMUNE SYSTEM complex
Function / homology
Function and homology information


complement component C5a binding / cell proliferation in hindbrain / presynapse organization / complement component C5a signaling pathway / complement component C5a receptor activity / Regulation of Complement cascade / Peptide ligand-binding receptors / response to peptidoglycan / G alpha (i) signalling events / mu-type opioid receptor binding ...complement component C5a binding / cell proliferation in hindbrain / presynapse organization / complement component C5a signaling pathway / complement component C5a receptor activity / Regulation of Complement cascade / Peptide ligand-binding receptors / response to peptidoglycan / G alpha (i) signalling events / mu-type opioid receptor binding / corticotropin-releasing hormone receptor 1 binding / complement receptor mediated signaling pathway / vesicle docking involved in exocytosis / G protein-coupled dopamine receptor signaling pathway / positive regulation of neutrophil chemotaxis / regulation of heart contraction / positive regulation of macrophage chemotaxis / parallel fiber to Purkinje cell synapse / amyloid-beta clearance / positive regulation of vascular endothelial growth factor production / postsynaptic modulation of chemical synaptic transmission / Neutrophil degranulation / neutrophil chemotaxis / astrocyte activation / G protein-coupled serotonin receptor binding / adenylate cyclase regulator activity / adenylate cyclase-inhibiting serotonin receptor signaling pathway / muscle contraction / positive regulation of epithelial cell proliferation / locomotory behavior / microglial cell activation / negative regulation of insulin secretion / mRNA transcription by RNA polymerase II / G protein-coupled receptor activity / adenylate cyclase-inhibiting G protein-coupled receptor signaling pathway / GABA-ergic synapse / cognition / adenylate cyclase-modulating G protein-coupled receptor signaling pathway / G-protein beta/gamma-subunit complex binding / apical part of cell / Olfactory Signaling Pathway / positive regulation of angiogenesis / Activation of the phototransduction cascade / G beta:gamma signalling through PLC beta / Presynaptic function of Kainate receptors / Thromboxane signalling through TP receptor / G protein-coupled acetylcholine receptor signaling pathway / Activation of G protein gated Potassium channels / Inhibition of voltage gated Ca2+ channels via Gbeta/gamma subunits / G-protein activation / G beta:gamma signalling through CDC42 / Prostacyclin signalling through prostacyclin receptor / Glucagon signaling in metabolic regulation / G beta:gamma signalling through BTK / Synthesis, secretion, and inactivation of Glucagon-like Peptide-1 (GLP-1) / ADP signalling through P2Y purinoceptor 12 / photoreceptor disc membrane / Glucagon-type ligand receptors / Sensory perception of sweet, bitter, and umami (glutamate) taste / Adrenaline,noradrenaline inhibits insulin secretion / Vasopressin regulates renal water homeostasis via Aquaporins / Glucagon-like Peptide-1 (GLP1) regulates insulin secretion / G alpha (z) signalling events / ADP signalling through P2Y purinoceptor 1 / ADORA2B mediated anti-inflammatory cytokines production / cellular response to catecholamine stimulus / G beta:gamma signalling through PI3Kgamma / adenylate cyclase-activating dopamine receptor signaling pathway / Cooperation of PDCL (PhLP1) and TRiC/CCT in G-protein beta folding / GPER1 signaling / G-protein beta-subunit binding / cellular response to prostaglandin E stimulus / heterotrimeric G-protein complex / G alpha (12/13) signalling events / Inactivation, recovery and regulation of the phototransduction cascade / extracellular vesicle / sensory perception of taste / Thrombin signalling through proteinase activated receptors (PARs) / signaling receptor complex adaptor activity / positive regulation of cytosolic calcium ion concentration / cell body / retina development in camera-type eye / G protein activity / GTPase binding / presynaptic membrane / cytoplasmic vesicle / Ca2+ pathway / fibroblast proliferation / High laminar flow shear stress activates signaling by PIEZO1 and PECAM1:CDH5:KDR in endothelial cells / G alpha (i) signalling events / basolateral plasma membrane / G alpha (s) signalling events / phospholipase C-activating G protein-coupled receptor signaling pathway / G alpha (q) signalling events / Hydrolases; Acting on acid anhydrides; Acting on GTP to facilitate cellular and subcellular movement / negative regulation of neuron apoptotic process / Ras protein signal transduction / postsynaptic membrane / positive regulation of ERK1 and ERK2 cascade / Extra-nuclear estrogen signaling
Similarity search - Function
Anaphylatoxin chemotactic receptor, C3a/C5a1/C5a2 / Formyl peptide receptor-related / G-protein alpha subunit, group I / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. ...Anaphylatoxin chemotactic receptor, C3a/C5a1/C5a2 / Formyl peptide receptor-related / G-protein alpha subunit, group I / Guanine nucleotide binding protein (G-protein), alpha subunit / G protein alpha subunit, helical insertion / G-protein alpha subunit / G-alpha domain profile. / G protein alpha subunit / G-protein, gamma subunit / G-protein gamma subunit domain profile. / G-protein gamma-like domain / G-protein gamma-like domain superfamily / GGL domain / G protein gamma subunit-like motifs / GGL domain / G protein beta WD-40 repeat protein / Guanine nucleotide-binding protein, beta subunit / G-protein, beta subunit / G-protein coupled receptors family 1 signature. / 7 transmembrane receptor (rhodopsin family) / G protein-coupled receptor, rhodopsin-like / GPCR, rhodopsin-like, 7TM / G-protein coupled receptors family 1 profile. / G-protein beta WD-40 repeat / WD40 repeat, conserved site / Trp-Asp (WD) repeats signature. / Trp-Asp (WD) repeats profile. / Trp-Asp (WD) repeats circular profile. / WD40 repeats / WD40 repeat / WD40-repeat-containing domain superfamily / WD40/YVTN repeat-like-containing domain superfamily / P-loop containing nucleoside triphosphate hydrolase
Similarity search - Domain/homology
Guanine nucleotide-binding protein G(o) subunit alpha / C5a anaphylatoxin chemotactic receptor 1 / Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2 / Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
Similarity search - Component
Biological speciesMus musculus (house mouse) / Homo sapiens (human) / synthetic construct (others)
Methodsingle particle reconstruction / cryo EM / Resolution: 3.39 Å
AuthorsSaha S / Maharana J / Yadav MK / Sarma P / Chami M / Banerjee R / Shukla AK
Funding support India, 1 items
OrganizationGrant numberCountry
Department of Biotechnology (DBT, India)BT/PR29041/BRB/10/1697/20 India
Citation
Journal: Cell / Year: 2023
Title: Molecular basis of anaphylatoxin binding, activation, and signaling bias at complement receptors.
Authors: Manish K Yadav / Jagannath Maharana / Ravi Yadav / Shirsha Saha / Parishmita Sarma / Chahat Soni / Vinay Singh / Sayantan Saha / Manisankar Ganguly / Xaria X Li / Samanwita Mohapatra / Sudha ...Authors: Manish K Yadav / Jagannath Maharana / Ravi Yadav / Shirsha Saha / Parishmita Sarma / Chahat Soni / Vinay Singh / Sayantan Saha / Manisankar Ganguly / Xaria X Li / Samanwita Mohapatra / Sudha Mishra / Htet A Khant / Mohamed Chami / Trent M Woodruff / Ramanuj Banerjee / Arun K Shukla / Cornelius Gati /
Abstract: The complement system is a critical part of our innate immune response, and the terminal products of this cascade, anaphylatoxins C3a and C5a, exert their physiological and pathophysiological ...The complement system is a critical part of our innate immune response, and the terminal products of this cascade, anaphylatoxins C3a and C5a, exert their physiological and pathophysiological responses primarily via two GPCRs, C3aR and C5aR1. However, the molecular mechanism of ligand recognition, activation, and signaling bias of these receptors remains mostly elusive. Here, we present nine cryo-EM structures of C3aR and C5aR1 activated by their natural and synthetic agonists, which reveal distinct binding pocket topologies of complement anaphylatoxins and provide key insights into receptor activation and transducer coupling. We also uncover the structural basis of a naturally occurring mechanism to dampen the inflammatory response of C5a via proteolytic cleavage of the terminal arginine and the G-protein signaling bias elicited by a peptide agonist of C3aR identified here. In summary, our study elucidates the innerworkings of the complement anaphylatoxin receptors and should facilitate structure-guided drug discovery to target these receptors in a spectrum of disorders.
#1: Journal: Cell(Cambridge,Mass.) / Year: 2023
Title: Structure of a GPCR-G protein in complex with a synthetic peptide agonist
Authors: Saha S / Maharana J / Yadav MK / Sarma P / Chami M / Banerjee R / Shukla AK
History
DepositionDec 13, 2022-
Header (metadata) releaseOct 18, 2023-
Map releaseOct 18, 2023-
UpdateJul 17, 2024-
Current statusJul 17, 2024Processing site: PDBj / Status: Released

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Structure visualization

Supplemental images

emd_34943.png

Downloads & links

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Map

FileDownload / File: emd_34943.map.gz / Format: CCP4 / Size: 178 MB / Type: IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)
Projections & slices

Image control

Size
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AxesZ (Sec.)Y (Row.)X (Col.)
0.95 Å/pix.
x 360 pix.
= 341.122 Å		0.95 Å/pix.
x 360 pix.
= 341.122 Å		0.95 Å/pix.
x 360 pix.
= 341.122 Å

Surface

Projections

Slices (1/3)

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Images are generated by Spider.

Voxel sizeX=Y=Z: 0.94756 Å
Density

Histogram

Histogram (log scale)
Contour LevelBy AUTHOR: 0.17
Minimum - Maximum-1.325697 - 1.7367756
Average (Standard dev.)0.0004159261 (±0.024090977)
SymmetrySpace group: 1
Details

EMDB XML:

Map geometry
Axis orderXYZ
Origin000
Dimensions360360360
Spacing360360360
CellA=B=C: 341.1216 Å
α=β=γ: 90.0 °

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Supplemental data

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Half map: #2

Fileemd_34943_half_map_1.map
Projections & Slices
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Slices (1/2)
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Histogram (log scale)

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Half map: #1

Fileemd_34943_half_map_2.map
Projections & Slices
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Sample components

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Entire : GPCR-G protein in complex with a synthetic peptide agonist

EntireName: GPCR-G protein in complex with a synthetic peptide agonist
Components
  • Complex: GPCR-G protein in complex with a synthetic peptide agonist
    • Complex: C5a anaphylatoxin chemotactic receptor 1
      • Protein or peptide: C5a anaphylatoxin chemotactic receptor 1
    • Complex: synthetic peptide
      • Protein or peptide: MEA-LYS-PRO-ZAL-ALC-DAR
    • Complex: Guanine nucleotide-binding protein G(o) subunit alpha
      • Protein or peptide: Guanine nucleotide-binding protein G(o) subunit alpha
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
    • Complex: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
      • Protein or peptide: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
    • Complex: Antibody fragment
      • Protein or peptide: Antibody fragment ScFv16

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Supramolecule #1: GPCR-G protein in complex with a synthetic peptide agonist

SupramoleculeName: GPCR-G protein in complex with a synthetic peptide agonist
type: complex / ID: 1 / Parent: 0 / Macromolecule list: all

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Supramolecule #2: C5a anaphylatoxin chemotactic receptor 1

SupramoleculeName: C5a anaphylatoxin chemotactic receptor 1 / type: complex / ID: 2 / Parent: 1 / Macromolecule list: #1
Source (natural)Organism: Mus musculus (house mouse)

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Supramolecule #3: synthetic peptide

SupramoleculeName: synthetic peptide / type: complex / ID: 3 / Parent: 1 / Macromolecule list: #2
Details: Chemically synthesized peptide fragment derived from the C-terminus of human C5a.

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Supramolecule #4: Guanine nucleotide-binding protein G(o) subunit alpha

SupramoleculeName: Guanine nucleotide-binding protein G(o) subunit alpha / type: complex / ID: 4 / Parent: 1 / Macromolecule list: #3
Details: This is a variant of Guanine nucleotide-binding protein G(o) subunit alpha (Uniprot ID: P09471) called the "mini G(o) alpha"
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

SupramoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: complex / ID: 5 / Parent: 1 / Macromolecule list: #4
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #6: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

SupramoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: complex / ID: 6 / Parent: 1 / Macromolecule list: #5
Source (natural)Organism: Homo sapiens (human)

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Supramolecule #7: Antibody fragment

SupramoleculeName: Antibody fragment / type: complex / ID: 7 / Parent: 1 / Macromolecule list: #6
Details: Single Chain Variable Fragment of an antibody referred to as ScFv16
Source (natural)Organism: Mus musculus (house mouse)

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Macromolecule #1: C5a anaphylatoxin chemotactic receptor 1

MacromoleculeName: C5a anaphylatoxin chemotactic receptor 1 / type: protein_or_peptide / ID: 1
Details: The initial sequence in the sample sequence is the expression tag (absent in the coordinates): "MGKTIIALSYIFCLVFADYKDDDDAANFTPVNGSSGNQSVRLVTSSSLEVLFQGPGSDPIDNSSFEINYDHYGTMDPNIPADGIHLPKRQP" ...Details: The initial sequence in the sample sequence is the expression tag (absent in the coordinates): "MGKTIIALSYIFCLVFADYKDDDDAANFTPVNGSSGNQSVRLVTSSSLEVLFQGPGSDPIDNSSFEINYDHYGTMDPNIPADGIHLPKRQP" The residues missing in the coordinates as compared to the sample sequence are the residues with disorder.
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 44.958422 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: MGKTIIALSY IFCLVFADYK DDDDAANFTP VNGSSGNQSV RLVTSSSLEV LFQGPGSDPI DNSSFEINYD HYGTMDPNIP ADGIHLPKR QPGDVAALII YSVVFLVGVP GNALVVWVTA FEARRAVNAI WFLNLAVADL LSCLALPVLF TTVLNHNYWY F DATACIVL ...String:
MGKTIIALSY IFCLVFADYK DDDDAANFTP VNGSSGNQSV RLVTSSSLEV LFQGPGSDPI DNSSFEINYD HYGTMDPNIP ADGIHLPKR QPGDVAALII YSVVFLVGVP GNALVVWVTA FEARRAVNAI WFLNLAVADL LSCLALPVLF TTVLNHNYWY F DATACIVL PSLILLNMYA SILLLATISA DRFLLVFKPI WCQKVRGTGL AWMACGVAWV LALLLTIPSF VYREAYKDFY SE HTVCGIN YGGGSFPKEK AVAILRLMVG FVLPLLTLNI CYTFLLLRTW SRKATRSTKT LKVVMAVVIC FFIFWLPYQV TGV MIAWLP PSSPTLKRVE KLNSLCVSLA YINCCVNPII YVMAGQGFHG RLLRSLPSII RNALSEDSVG RDSKTFTPST TDTS TRKSQ AV

UniProtKB: C5a anaphylatoxin chemotactic receptor 1

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Macromolecule #2: MEA-LYS-PRO-ZAL-ALC-DAR

MacromoleculeName: MEA-LYS-PRO-ZAL-ALC-DAR / type: protein_or_peptide / ID: 2
Details: This is a chemically synthesized peptide derived from the C-terminus of human C5a.
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: synthetic construct (others)
Molecular weightTheoretical: 869.148 Da
SequenceString:
(MEA)KP(ZAL)(ALC)(DAR)

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Macromolecule #3: Guanine nucleotide-binding protein G(o) subunit alpha

MacromoleculeName: Guanine nucleotide-binding protein G(o) subunit alpha / type: protein_or_peptide / ID: 3
Details: This is a variant of Guanine nucleotide-binding protein G(o) subunit alpha (Uniprot ID: P09471) called the "mini G(o) alpha";The initial sequence in the provided sample sequence is the ...Details: This is a variant of Guanine nucleotide-binding protein G(o) subunit alpha (Uniprot ID: P09471) called the "mini G(o) alpha";The initial sequence in the provided sample sequence is the expression tag: "MGHHHHHHENLYFQGT",This is a variant of Guanine nucleotide-binding protein G(o) subunit alpha (Uniprot ID: P09471) called the "mini G(o) alpha";The initial sequence in the provided sample sequence is the expression tag: "MGHHHHHHENLYFQGT"
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 27.024762 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: MGHHHHHHEN LYFQGTLSAE ERAALERSKA IEKNLKEDGI SAAKDVKLLL LGADNSGKST IVKQMKIIHG GSGGSGGTTG IVETHFTFK NLHFRLFDVG GQRSERKKWI HCFEDVTAII FCVDLSDYNR MHESLMLFDS ICNNKFFIDT SIILFLNKKD L FGEKIKKS ...String:
MGHHHHHHEN LYFQGTLSAE ERAALERSKA IEKNLKEDGI SAAKDVKLLL LGADNSGKST IVKQMKIIHG GSGGSGGTTG IVETHFTFK NLHFRLFDVG GQRSERKKWI HCFEDVTAII FCVDLSDYNR MHESLMLFDS ICNNKFFIDT SIILFLNKKD L FGEKIKKS PLTICFPEYT GPNTYEDAAA YIQAQFESKN RSPNKEIYCH MTCATDTNNA QVIFDAVTDI IIANNLRGCG LY

UniProtKB: Guanine nucleotide-binding protein G(o) subunit alpha, Guanine nucleotide-binding protein G(o) subunit alpha

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Macromolecule #4: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1
type: protein_or_peptide / ID: 4
Details: The initial sequence present in the sample sequence and absent in the coordinates is the expression tag: "MHHHHHHGSSGS"
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 37.198656 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString: ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLVS ASQDGKLIIW DSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG HTGYLSCCRF LDDNQIVTSS G DTTCALWD ...String:
ELDQLRQEAE QLKNQIRDAR KACADATLSQ ITNNIDPVGR IQMRTRRTLR GHLAKIYAMH WGTDSRLLVS ASQDGKLIIW DSYTTNKVH AIPLRSSWVM TCAYAPSGNY VACGGLDNIC SIYNLKTREG NVRVSRELAG HTGYLSCCRF LDDNQIVTSS G DTTCALWD IETGQQTTTF TGHTGDVMSL SLAPDTRLFV SGACDASAKL WDVREGMCRQ TFTGHESDIN AICFFPNGNA FA TGSDDAT CRLFDLRADQ ELMTYSHDNI ICGITSVSFS KSGRLLLAGY DDFNCNVWDA LKADRAGVLA GHDNRVSCLG VTD DGMAVA TGSWDSFLKI WN

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(T) subunit beta-1

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Macromolecule #5: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

MacromoleculeName: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2
type: protein_or_peptide / ID: 5
Details: The missing residues in the coordinates are the regions which are disordered.
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Homo sapiens (human)
Molecular weightTheoretical: 6.160126 KDa
Recombinant expressionOrganism: Spodoptera frugiperda (fall armyworm)
SequenceString:
ASIAQARKLV EQLKMEANID RIKVSKAAAD LMAYCEAHAK EDPLLTPVPA SENPFR

UniProtKB: Guanine nucleotide-binding protein G(I)/G(S)/G(O) subunit gamma-2

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Macromolecule #6: Antibody fragment ScFv16

MacromoleculeName: Antibody fragment ScFv16 / type: protein_or_peptide / ID: 6
Details: The residues absent in the coordinates are the regions which are disordered.
Number of copies: 1 / Enantiomer: LEVO
Source (natural)Organism: Mus musculus (house mouse)
Molecular weightTheoretical: 27.340482 KDa
Recombinant expressionOrganism: Escherichia coli (E. coli)
SequenceString: DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS ...String:
DVQLVESGGG LVQPGGSRKL SCSASGFAFS SFGMHWVRQA PEKGLEWVAY ISSGSGTIYY ADTVKGRFTI SRDDPKNTLF LQMTSLRSE DTAMYYCVRS IYYYGSSPFD FWGQGTTLTV SSGGGGSGGG GSGGGGSDIV MTQATSSVPV TPGESVSISC R SSKSLLHS NGNTYLYWFL QRPGQSPQLL IYRMSNLASG VPDRFSGSGS GTAFTLTISR LEAEDVGVYY CMQHLEYPLT FG AGTKLEL KGSLEVLFQ

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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: 7.4
VitrificationCryogen name: ETHANE

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Electron microscopy

MicroscopeFEI TITAN KRIOS
Image recordingFilm or detector model: GATAN K2 SUMMIT (4k x 4k) / Detector mode: COUNTING / Average electron dose: 42.0 e/Å2
Electron beamAcceleration voltage: 300 kV / Electron source: FIELD EMISSION GUN
Electron opticsIllumination mode: FLOOD BEAM / Imaging mode: BRIGHT FIELD / Nominal defocus max: 2.5 µm / Nominal defocus min: 0.5 µm
Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company

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Image processing

Startup modelType of model: PDB ENTRY
PDB model - PDB ID:

7wvv

Final reconstructionResolution.type: BY AUTHOR / Resolution: 3.39 Å / Resolution method: FSC 0.143 CUT-OFF / Software - Name: cryoSPARC (ver. 3.3.2) / Number images used: 380463
Initial angle assignmentType: MAXIMUM LIKELIHOOD
Final angle assignmentType: MAXIMUM LIKELIHOOD
Final 3D classificationSoftware - Name: cryoSPARC (ver. 3.3.2)
FSC plot (resolution estimation)

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Atomic model buiding 1

RefinementSpace: REAL / Protocol: FLEXIBLE FIT
Output model

PDB-8hpt:
Structure of C5a-pep bound mouse C5aR1 in complex with Go

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