6R5M | pdb_00006r5m

Crystal structure of toxin MT9 from mamba venom


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 
    0.251 (Depositor), 0.273 (DCC) 
  • R-Value Work: 
    0.231 (Depositor), 0.242 (DCC) 
  • R-Value Observed: 
    0.232 (Depositor) 

wwPDB Validation 3D Report Full Report

Validation slider image for 6R5M

This is version 1.1 of the entry. See complete history

Re-refinement Note

This entry reflects an alternative modeling of the original data in: 6F21

Literature

MT9, a natural peptide from black mamba venom antagonizes the muscarinic type 2 receptor and reverses the M2R-agonist-induced relaxation in rat and human arteries

Ciolek, J.Zoukimian, C.Dhot, J.Burban, M.Triquigneaux, M.Lauzier, B.Guimbert, C.Boturyn, D.Ferron, M.Ciccone, L.Tepshi, L.Stura, E.Legrand, P.Robin, P.Mourier, G.Schaack, B.Fellah, I.Blanchet, G.Gauthier-Erfanian, C.Beroud, R.Servent, D.De Waard, M.Gilles, N.

(2022) Biomed Pharmacother 150: 113094

Macromolecule Content 

  • Total Structure Weight: 20.28 kDa 
  • Atom Count: 1,554 
  • Modeled Residue Count: 171 
  • Deposited Residue Count: 171 
  • Unique protein chains: 1

Macromolecules

Find similar proteins by:|  3D Structure
Entity ID: 1
MoleculeChains  Sequence LengthOrganismDetailsImage
Dendroaspis polylepis MT9
A, B, C
57Dendroaspis polylepisMutation(s): 0 
UniProt
Find proteins for A0A4P1LYC9 (Dendroaspis polylepis polylepis)
Explore A0A4P1LYC9 
Go to UniProtKB:  A0A4P1LYC9
Entity Groups
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupA0A4P1LYC9
Sequence Annotations
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Reference Sequence

Small Molecules

Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
SO4

Query on SO4



Download:Ideal Coordinates CCD File
D [auth A]
E [auth A]
H [auth B]
I [auth B]
L [auth C]
D [auth A],
E [auth A],
H [auth B],
I [auth B],
L [auth C],
M [auth C],
N [auth C],
O [auth C],
P [auth C]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
GOL

Query on GOL



Download:Ideal Coordinates CCD File
J [auth B]GLYCEROL
C3 H8 O3
PEDCQBHIVMGVHV-UHFFFAOYSA-N
PGO

Query on PGO



Download:Ideal Coordinates CCD File
F [auth A],
G [auth A]
S-1,2-PROPANEDIOL
C3 H8 O2
DNIAPMSPPWPWGF-VKHMYHEASA-N
ACE

Query on ACE



Download:Ideal Coordinates CCD File
K [auth C]ACETYL GROUP
C2 H4 O
IKHGUXGNUITLKF-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free:  0.251 (Depositor), 0.273 (DCC) 
  • R-Value Work:  0.231 (Depositor), 0.242 (DCC) 
  • R-Value Observed: 0.232 (Depositor) 
Space Group: C 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 69.55α = 90
b = 93.64β = 90
c = 62.23γ = 90
Software Package:
Software NamePurpose
BUSTERrefinement
XDSdata reduction
PHASERphasing

Structure Validation

View Full Validation Report



Entry History 

& Funding Information

Deposition Data


Funding OrganizationLocationGrant Number
French National Research AgencyFranceANR-11-RPIB-022-04 venompicoscreen

Revision History  (Full details and data files)

  • Version 1.0: 2020-02-12
    Type: Initial release
  • Version 1.1: 2022-05-25
    Changes: Database references