TABLE 1.

Inhibition of antibodies to high-prevalence Scianna antigens and lack of inhibition of antibodies to various common blood group antigens by soluble recombinant Scianna protein

	Reactivity in gel matrix test^*
Samples^† and antibody specificities	With Scianna protein	Without Scianna protein
Anti-Sc1
Sample 1	0	2+
Sample 2	0	1.5+
Sample 3	0	2+
Anti-Sc2
Sample 1	3.5+	3.5+
Sample 2	2+	2+
Sample 3	2.5+	2.5+
Anti-Sc5	0	2+
Anti-D	3+	3+
Anti-C	3+	3+
Anti-c	3+	3+
Anti-E	3+	3+
Anti-e	3+	3+
Anti-K	3+	3+
Anti-k	2+	2+
Anti-M	3+	3+
Anti-N	2+	2+
Anti-S	3+	3+
Anti-s	2.5+	2.5+
Anti-Jk^a	1.5+	1.5+
Anti-Jk^b	1.5+	1.5+
Anti-Fy^a	2+	2+
Anti-Fy^b	2+	2+
Anti-Kn^a	1.5+	1.5+
Anti-Lu^b	2+	2+
Anti-Vel	2.5+	2.5+
Anti-Jr^a	1.5+	1.5+
Anti-Ch^a	1+	1+
Anti-JMH	1.5+	1.5+

Antiglobulin technique.

^†

All samples tested are shown for anti-Scianna specificities. Only representative results are shown for the antibody specificities other than anti-Scianna; for a full list of the antisera tested see Materials and Methods section.