Blood group antigen loci and functional proteins of human erythrocytes.
| Chromosomal Locus . | Locus Name . | Blood Group (Abbreviation) . | Function . |
|---|---|---|---|
| 1p13 | CD58 | None known | Adhesion molecule that binds CD2 |
| 1p36.11 | RH | Rhesus (Rh) | Unknown |
| 1p22.1-p36.2 | SC | Scianna (Sc) | Unknown |
| 1p32-p35 | RD | Radin (Rd) | Unknown |
| 1q22-23 | DARC | Duffy (Fy) | Chemokine receptor |
| 1q32 | CR1 | Knops-McCoy | Complement receptor 1 (complement regulatory protein) |
| 1q32 | DAF | Cromer (Cr) | Decay accelerating factor (complement regulatory protein) |
| 2q14-21 | GYPC | Gerbich (Ge) | Membrane-cytoskeletal interaction |
| 3q13.1-13.2 | CD47 | None known | Integrin-associated signaling, adhesion receptor |
| 4q28-31 | GYPA | MN | Chaperone of the anion channel protein (band 3) |
| 4q28-31 | GYPB | Ss | Unknown |
| 6p21.3 | C4A, C4B | Chido, Rodgers | C4 component of complement |
| 6p21.3 | HLA | Bg | HLA class I |
| 6p21.1-p11 | RHAG | Rh-associated glycoprotein | Ammonium transport |
| 7p14 | AQP1 | Colton (Co) | Water channel protein |
| 7q22.1-22.3 | ACHE | Cartwright (Yt) | Acetylcholinesterase |
| 7q33 | KEL | Kell (K,k,Kp,Js) | Metalloproteinase |
| 9q34.1-q34.2 | ABO | ABO | ABO glycosyl transferases |
| 11p13 | CD59 | None known | Inhibits formation of the complement membrane attack complex (C5-9) |
| 11p13 | CD44 | Indian (In), AnWj | Adhesion receptor |
| 11p15.5 | MER2 | MER2 | Unknown |
| 12p13.2-12p12.1 | DOK | Dombrock | ?ADP-ribosyltransferase |
| 15q22.3-23 | SEMA7A | JMH | Putative adhesion receptor |
| 16p12.3 | UMOD | ?Sda | Tamm-Horsfall protein (uromodulin) |
| 17q12-q21 | EPB3 | Diego (Di), Wright (Wr) | Anion channel protein (band 3, AE1) |
| 18q11-q12 | UT1 | Kidd (Jk) | Urea transporter |
| 19p13.3 | FUT3 | Lewis (Le) | alpha(1,3) fucosyltransferase |
| 19p32.2-pter | OK | Oka | Neurothelin, putative adhesion molecule |
| 19p11-p13 | LW | LW | Adhesion receptor |
| 19q13.3 | FUT2 | Secretor (Se) | alpha(1,2) fucosyltransferase |
| 19q13.3 | FUT1 | Hh | alpha(1,2) fucosyltransferase |
| 19q13.2-13.3 | LU | Lutheran (Lu) | Adhesion receptor |
| 22q11.2-q7er | P1 | P1 | Glycosyltransferase |
| Xp21.1 | XK | Kx | Putative neurotransmitter transporter |
| Xp22.32 | XG | Xg | formerly called PBDX; possible adhesion receptor |
| Xp22.33, Yp11.3 | MIC2 | None known | Mucin, putative adhesion molecule |
| Chromosomal Locus . | Locus Name . | Blood Group (Abbreviation) . | Function . |
|---|---|---|---|
| 1p13 | CD58 | None known | Adhesion molecule that binds CD2 |
| 1p36.11 | RH | Rhesus (Rh) | Unknown |
| 1p22.1-p36.2 | SC | Scianna (Sc) | Unknown |
| 1p32-p35 | RD | Radin (Rd) | Unknown |
| 1q22-23 | DARC | Duffy (Fy) | Chemokine receptor |
| 1q32 | CR1 | Knops-McCoy | Complement receptor 1 (complement regulatory protein) |
| 1q32 | DAF | Cromer (Cr) | Decay accelerating factor (complement regulatory protein) |
| 2q14-21 | GYPC | Gerbich (Ge) | Membrane-cytoskeletal interaction |
| 3q13.1-13.2 | CD47 | None known | Integrin-associated signaling, adhesion receptor |
| 4q28-31 | GYPA | MN | Chaperone of the anion channel protein (band 3) |
| 4q28-31 | GYPB | Ss | Unknown |
| 6p21.3 | C4A, C4B | Chido, Rodgers | C4 component of complement |
| 6p21.3 | HLA | Bg | HLA class I |
| 6p21.1-p11 | RHAG | Rh-associated glycoprotein | Ammonium transport |
| 7p14 | AQP1 | Colton (Co) | Water channel protein |
| 7q22.1-22.3 | ACHE | Cartwright (Yt) | Acetylcholinesterase |
| 7q33 | KEL | Kell (K,k,Kp,Js) | Metalloproteinase |
| 9q34.1-q34.2 | ABO | ABO | ABO glycosyl transferases |
| 11p13 | CD59 | None known | Inhibits formation of the complement membrane attack complex (C5-9) |
| 11p13 | CD44 | Indian (In), AnWj | Adhesion receptor |
| 11p15.5 | MER2 | MER2 | Unknown |
| 12p13.2-12p12.1 | DOK | Dombrock | ?ADP-ribosyltransferase |
| 15q22.3-23 | SEMA7A | JMH | Putative adhesion receptor |
| 16p12.3 | UMOD | ?Sda | Tamm-Horsfall protein (uromodulin) |
| 17q12-q21 | EPB3 | Diego (Di), Wright (Wr) | Anion channel protein (band 3, AE1) |
| 18q11-q12 | UT1 | Kidd (Jk) | Urea transporter |
| 19p13.3 | FUT3 | Lewis (Le) | alpha(1,3) fucosyltransferase |
| 19p32.2-pter | OK | Oka | Neurothelin, putative adhesion molecule |
| 19p11-p13 | LW | LW | Adhesion receptor |
| 19q13.3 | FUT2 | Secretor (Se) | alpha(1,2) fucosyltransferase |
| 19q13.3 | FUT1 | Hh | alpha(1,2) fucosyltransferase |
| 19q13.2-13.3 | LU | Lutheran (Lu) | Adhesion receptor |
| 22q11.2-q7er | P1 | P1 | Glycosyltransferase |
| Xp21.1 | XK | Kx | Putative neurotransmitter transporter |
| Xp22.32 | XG | Xg | formerly called PBDX; possible adhesion receptor |
| Xp22.33, Yp11.3 | MIC2 | None known | Mucin, putative adhesion molecule |