Table 1  Data Collection and Refinement Statistics
MBP-RAMP1-CLR:CGRP(27-37)NH2 [D31, P34, F35]  MBP-RAMP2-CLR:AM(25-52)NH2
Data collection
Space group  C2  P212121
Cell dimensions
a, b, c  172.81 Å, 104.62 Å, 136.48 Å  71.45 Å, 84.28 Å, 115.76 Å
α, β, γ  90°, 122.43°, 90°  90°, 90°, 90°
Resolution  50.0–2.45 Å (2.49–2.45 Å)a  50.0–1.76 Å (1.79–1.76 Å)
R merge  0.058 (0.647)  0.068 (0.966)
CC  1/2  (0.858)  (0.525)
I / σI  24.30 (1.76)  30.13 (1.05)
Completeness  99.8% (98.6%)  99.9% (98.2%)
Redundancy  4.2 (3.9)  7.2 (5.0)
Refinement
Resolution (Å)  50.0-2.45 Å  50.0-1.76 Å
No. reflections  72,185  66,505
Rwork / Rfree  0.200/0.243  0.157/0.200
Protein molecules/ASU  3  1
No. atoms (Mol 1/2/3)
MBP  2,885/2,865/2,859  2,898
RAMP1 or RAMP2  705/657/705  721
CLR  805/981/744  805
CGRP or AM  86/86/75  148
Water  70  394
B-factors (Mol 1/2/3)
MBP  71.62/94.58/96.57  37.14
RAMP1 or RAMP2  72.26/101.20/96.41  30.93
CLR  61.60/67.61/88.84  35.75
CGRP or AM  72.24/101.71/81.79  44.55
Water  52.85  39.32
RMS deviations
Bond lengths  0.013 Å  0.020 Å
Bond angles  1.516°  1.929°
Ramachandran Analysis b
Preferred regions  95.72%  96.8%
Allowed regions  4.04%  3.2%
Outliers  0.24%  0%
a  Values in parentheses are for highest-resolution shell.
b  As defined in COOT.