| 2DL2: reference: Crystal structure of the HLA-Cw3 allotype-specific killer cell inhibitory receptor KIR2DL2., Snyder GA, Brooks AG, Sun PD, Proc Natl Acad Sci U S A 1999 Mar 30;96(7):3864-9. PMID: 10097129 |
This OCA 
Structure page
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(documentation).