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- PDB-9l2f: Structure of SARM1 bound to M1 and 1AD in the active state -

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Basic information

Entry
Database: PDB / ID: 9l2f
TitleStructure of SARM1 bound to M1 and 1AD in the active state
ComponentsNAD(+) hydrolase SARM1
KeywordsHYDROLASE / NAD(+) hydrolase / cell death / apoptosis
Function / homology
Function and homology information


extrinsic component of synaptic membrane / negative regulation of MyD88-independent toll-like receptor signaling pathway / NADP+ nucleosidase activity / MyD88-independent TLR4 cascade / Toll Like Receptor 3 (TLR3) Cascade / NAD+ catabolic process / NAD+ nucleosidase activity / regulation of synapse pruning / modification of postsynaptic structure / ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase ...extrinsic component of synaptic membrane / negative regulation of MyD88-independent toll-like receptor signaling pathway / NADP+ nucleosidase activity / MyD88-independent TLR4 cascade / Toll Like Receptor 3 (TLR3) Cascade / NAD+ catabolic process / NAD+ nucleosidase activity / regulation of synapse pruning / modification of postsynaptic structure / ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase / protein localization to mitochondrion / NAD+ nucleosidase activity, cyclic ADP-ribose generating / nervous system process / Hydrolases; Glycosylases; Hydrolysing N-glycosyl compounds / regulation of dendrite morphogenesis / response to axon injury / response to glucose / regulation of neuron apoptotic process / signaling adaptor activity / TRAF6-mediated induction of TAK1 complex within TLR4 complex / Activation of IRF3, IRF7 mediated by TBK1, IKKε (IKBKE) / IKK complex recruitment mediated by RIP1 / neuromuscular junction / nervous system development / microtubule / mitochondrial outer membrane / cell differentiation / axon / innate immune response / synapse / dendrite / glutamatergic synapse / cell surface / signal transduction / protein-containing complex / mitochondrion / identical protein binding / cytosol / cytoplasm
Similarity search - Function
Sterile alpha and TIR motif-containing protein 1 / TIR domain / Toll - interleukin 1 - resistance / TIR domain profile. / Toll/interleukin-1 receptor homology (TIR) domain / Toll/interleukin-1 receptor homology (TIR) domain superfamily / SAM domain (Sterile alpha motif) / SAM domain profile. / Sterile alpha motif. / Sterile alpha motif domain ...Sterile alpha and TIR motif-containing protein 1 / TIR domain / Toll - interleukin 1 - resistance / TIR domain profile. / Toll/interleukin-1 receptor homology (TIR) domain / Toll/interleukin-1 receptor homology (TIR) domain superfamily / SAM domain (Sterile alpha motif) / SAM domain profile. / Sterile alpha motif. / Sterile alpha motif domain / Sterile alpha motif/pointed domain superfamily / Armadillo-like helical / Armadillo-type fold
Similarity search - Domain/homology
: / NAD(+) hydrolase SARM1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodELECTRON MICROSCOPY / single particle reconstruction / cryo EM / Resolution: 3.55 Å
AuthorsHuang, Y. / Zhang, J. / Zheng, S. / Wang, X.
Funding support China, 1items
OrganizationGrant numberCountry
National Science Foundation (NSF, China) China
CitationJournal: To Be Published
Title: Stepwise Activation of SARM1 by a Biosynthetic NMN mimic
Authors: Huang, Y. / Zhang, J. / Zheng, S. / Wang, X.
History
DepositionDec 17, 2024Deposition site: PDBJ / Processing site: PDBC
Revision 1.0Mar 19, 2025Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: EM metadata / Data content type: EM metadata / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Half map / Part number: 1 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Half map / Part number: 2 / Data content type: Half map / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Image / Data content type: Image / Provider: repository / Type: Initial release
Revision 1.0Mar 19, 2025Data content type: Primary map / Data content type: Primary map / Provider: repository / Type: Initial release

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: NAD(+) hydrolase SARM1
B: NAD(+) hydrolase SARM1
C: NAD(+) hydrolase SARM1
D: NAD(+) hydrolase SARM1
E: NAD(+) hydrolase SARM1
F: NAD(+) hydrolase SARM1
G: NAD(+) hydrolase SARM1
H: NAD(+) hydrolase SARM1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)646,45916
Polymers643,8658
Non-polymers2,5948
Water00
1


  • Idetical with deposited unit
  • defined by author
  • Evidence: electron microscopy, not applicable
TypeNameSymmetry operationNumber
identity operation1_5551

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Components

#1: Protein
NAD(+) hydrolase SARM1 / NADase SARM1 / hSARM1 / NADP(+) hydrolase SARM1 / Sterile alpha and Armadillo repeat protein / ...NADase SARM1 / hSARM1 / NADP(+) hydrolase SARM1 / Sterile alpha and Armadillo repeat protein / Sterile alpha and TIR motif-containing protein 1 / Sterile alpha motif domain-containing protein 2 / MyD88-5 / SAM domain-containing protein 2 / Tir-1 homolog / HsTIR


Mass: 80483.133 Da / Num. of mol.: 8
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: SARM1, KIAA0524, SAMD2, SARM / Cell line (production host): HEK293T / Production host: Homo sapiens (human)
References: UniProt: Q6SZW1, ADP-ribosyl cyclase/cyclic ADP-ribose hydrolase, Hydrolases; Glycosylases; Hydrolysing N-glycosyl compounds
#2: Chemical
ChemComp-A1EIV / [(2~{R},3~{S},4~{R},5~{R})-3,4-bis(oxidanyl)-5-(3-sulfanylpyridin-1-yl)oxolan-2-yl]methyl dihydrogen phosphate


Mass: 324.267 Da / Num. of mol.: 8 / Source method: obtained synthetically / Formula: C10H15NO7PS / Feature type: SUBJECT OF INVESTIGATION
Has ligand of interestY
Has protein modificationN

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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: Sarm1 / Type: COMPLEX / Entity ID: #1 / Source: RECOMBINANT
Source (natural)Organism: Homo sapiens (human)
Source (recombinant)Organism: Homo sapiens (human)
Buffer solutionpH: 7.4
SpecimenEmbedding applied: NO / Shadowing applied: NO / Staining applied: NO / Vitrification applied: YES
VitrificationCryogen name: ETHANE

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Electron microscopy imaging

Experimental equipment
Model: Titan Krios / Image courtesy: FEI Company
MicroscopyModel: TFS KRIOS
Electron gunElectron source: FIELD EMISSION GUN / Accelerating voltage: 300 kV / Illumination mode: FLOOD BEAM
Electron lensMode: BRIGHT FIELD / Nominal defocus max: 2500 nm / Nominal defocus min: 680 nm
Image recordingElectron dose: 50 e/Å2 / Film or detector model: GATAN K3 BIOQUANTUM (6k x 4k)

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Processing

EM softwareName: PHENIX / Version: 1.19_4092 / Category: model refinement
CTF correctionType: PHASE FLIPPING AND AMPLITUDE CORRECTION
3D reconstructionResolution: 3.55 Å / Resolution method: FSC 0.143 CUT-OFF / Num. of particles: 65229 / Symmetry type: POINT
RefinementStereochemistry target values: REAL-SPACE (WEIGHTED MAP SUM AT ATOM CENTERS)
Refine LS restraints
Refine-IDTypeDev idealNumber
ELECTRON MICROSCOPYf_bond_d0.00330760
ELECTRON MICROSCOPYf_angle_d0.47641592
ELECTRON MICROSCOPYf_dihedral_angle_d4.0844288
ELECTRON MICROSCOPYf_chiral_restr0.0354800
ELECTRON MICROSCOPYf_plane_restr0.0045408

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