Skip to main content

 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
Expand
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