6H81

MamM CTD E289H - Nickel form

• PDB DOI:  https://doi.org/10.2210/pdb6H81/pdb

• Classification: METAL TRANSPORT
• Organism(s): Magnetospirillum gryphiswaldense
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2018-08-01 Released: 2019-08-14 
• Deposition Author(s): Barber-Zucker, S., Zarivach, R.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.213 
• R-Value Work: 0.198 
• R-Value Observed: 0.199 

Literature

MMamM CTD E289H - Nickel form

Barber-Zucker, S., Zarivach, R.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: gel filtration

Macromolecule Content

• Total Structure Weight: 12.25 kDa 
• Atom Count: 686 
• Modelled Residue Count: 79 
• Deposited Residue Count: 108 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Magnetosome protein MamM, Cation efflux protein family	A	108	Magnetospirillum gryphiswaldense	Mutation(s): 1  Gene Names: mamM, mgI491, MGR_4095
UniProt
Find proteins for V6F235 (Magnetospirillum gryphiswaldense (strain DSM 6361 / JCM 21280 / NBRC 15271 / MSR-1)) Explore V6F235  Go to UniProtKB:  V6F235

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	C [auth A], D [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
BME	E [auth A]	BETA-MERCAPTOETHANOL C2 H6 O S DGVVWUTYPXICAM-UHFFFAOYSA-N
NI (Subject of Investigation/LOI)	B [auth A]	NICKEL (II) ION Ni VEQPNABPJHWNSG-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.213 
• R-Value Work: 0.198 
• R-Value Observed: 0.199 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 37.06	α = 90
b = 94.532	β = 90
c = 53.539	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

Entry History & Funding Information

Deposition Data

• Released Date: 2019-08-14 
Deposition Author(s): Barber-Zucker, S., Zarivach, R.

---

Funding Organization	Location	Grant Number
	Israel	Israel Science Foundation 167/16
	Israel	Israel Ministry of Science, Technology and Space

Revision History  

• Version 1.0: 2019-08-14
  Type: Initial release