Table II.

X-ray crystallographic data collection

HLA-A2/ALGHLA-A2/ELA
Space groupP212121P212121
Molecules in AU11
Cell parameters (Å)a = 49.45 b = 74.72 c = 123.72a = 49.13 b = 75.51 c = 121.70
X-ray source/detectorAPS 14-BM-C (Chicago, IL)/Quantum 4 CCDCHESS A1 (Ithaca, NY)/Quantum 4 CCD
Resolution (Å)30–2.1530–1.8
Mosaicity0.350.45
Total reflections190647/19192a195422/9091a
Unique reflections25511/3085a41252/5003a
Multiplicity7.4/6.2a4.7/1.8a
Completeness (%)99.0/96.4a96.7/82.7a
R symm b 3.9/12.4a8.9/22.1a
I/ς36/8.2a9.1/3.1a
  • a Highest resolution shell.

  • b Rsymm = Σ |Ih − 〈Ih〉|/Σ Ih, where 〈Ih〉 is the average intensity over symmetry equivalents.