TABLE 1.

Statistical parameters of solution NMR structure of membrane-distal ectodomain of mouse BTNL2.

Parameter	Value
NOE derived distance constraints
Short range (|i − j| ≤ 1)	814
Medium range (1 < |i − j| < 5)	79
Long range (|i − j| ≥ 5)	650
Total	1543
Hydrogen bond constraints	40
Dihedral angle constraints
Φ	92
Ψ	97
Total	189
Average root mean square deviations against lowest energy model coordinates (Å) for well-defined residues†
Backbone atoms (N, Cα, C, O)	0.56±0.08
All heavy atoms	0.76±0.13
Ramachandran plot summary for well-defined residues† averaged over the NMR ensemble
Favoured	95.1%
Allowed	4.6%
Outliers	0.3%
All atom Clashscore	6
Side chain outliers	3%
Accession numbers associated with this structure
BMRB ID	28032
PDB ID	6L7Z

^†Well-defined core protein residues: 3–27, 32–57, 68–117

Structural quality was evaluated by validation pipeline (wwPDB-VP:2.13)