NM_001770
B-lymphocyte antigen CD19 isoform 2 precursor
ATGCCACCTCCTCGCCTCCTCTTCTTCCTCCTCTTCCTCACCCCCATGGAAGTCAGGCCCGAGGAACCTCTAGTGGTGAAGGTGGAAGAGGGAGATAACGCTGTGCTGCAGTGCCTCAAGGGGACCTCAGATGGCCCCACTCAGCAGCTGACCTGGTCTCGGGAGTCCCCGCTTAAACCCTTCTTAAAACTCAGCCTGGGGCTGCCAGGCCTGGGAATCCACATGAGGCCCCTGGCCATCTGGCTTTTCATCTTCAACGTCTCTCAACAGATGGGGGGCTTCTACCTGTGCCAGCCGGGGCCCCCCTCTGAGAAGGCCTGGCAGCCTGGCTGGACAGTCAATGTGGAGGGCAGCGGGGAGCTGTTCCGGTGGAATGTTTCGGACCTAGGTGGCCTGGGCTGTGGCCTGAAGAACAGGTCCTCAGAGGGCCCCAGCTCCCCTTCCGGGAAGCTCATGAGCCCCAAGCTGTATGTGTGGGCCAAAGACCGCCCTGAGATCTGGGAGGGAGAGCCTCCGTGTCTCCCACCGAGGGACAGCCTGAACCAGAGCCTCAGCCAGGACCTCACCATGGCCCCTGGCTCCACACTCTGGCTGTCCTGTGGGGTACCCCCTGACTCTGTGTCCAGGGGCCCCCTCTCCTGGACCCATGTGCACCCCAAGGGGCCTAAGTCATTGCTGAGCCTAGAGCTGAAGGACGATCGCCCGGCCAGAGATATGTGGGTAATGGAGACGGGTCTGTTGTTGCCCCGGGCCACAGCTCAAGACGCTGGAAAGTATTATTGTCACCGTGGCAACCTGACCATGTCATTCCACCTGGAGATCACTGCTCGGCCAGTACTATGGCACTGGCTGCTGAGGACTGGTGGCTGGAAGGTCTCAGCTGTGACTTTGGCTTATCTGATCTTCTGCCTGTGTTCCCTTGTGGGCATTCTTCATCTTCAAAGAGCCCTGGTCCTGAGGAGGAAAAGAAAGCGAATGACTGACCCCACCAGGAGATTCTTCAAAGTGACGCCTCCCCCAGGAAGCGGGCCCCAGAACCAGTACGGGAACGTGCTGTCTCTCCCCACACCCACCTCAGGCCTCGGACGCGCCCAGCGTTGGGCCGCAGGCCTGGGGGGCACTGCCCCGTCTTATGGAAACCCGAGCAGCGACGTCCAGGCGGATGGAGCCTTGGGGTCCCGGAGCCCGCCGGGAGTGGGCCCAGAAGAAGAGGAAGGGGAGGGCTATGAGGAACCTGACAGTGAGGAGGACTCCGAGTTCTATGAGAACGACTCCAACCTTGGGCAGGACCAGCTCTCCCAGGATGGCAGCGGCTACGAGAACCCTGAGGATGAGCCCCTGGGTCCTGAGGATGAAGACTCCTTCTCCAACGCTGAGTCTTATGAGAACGAGGATGAAGAGCTGACCCAGCCGGTCGCCAGGACAATGGACTTCCTGAGCCCTCATGGGTCAGCCTGGGACCCCAGCCGGGAAGCAACCTCCCTGGGGTCCCAGTCCTATGAGGATATGAGAGGAATCCTGTATGCAGCCCCCCAGCTCCGCTCCATTCGGGGCCAGCCTGGACCCAATCATGAGGAAGATGCAGACTCTTATGAGAACATGGATAATCCCGATGGGCCAGACCCAGCCTGGGGAGGAGGGGGCCGCATGGGCACCTGGAGCACCAGGTGA
atgccacctcctcgcctcctcttcttcctcctcttcctcacccccatggaagtcagg
M P P P R L L F F L L F L T P M E V R
cccgaggaacctctagtggtgaaggtggaagagggagataacgctgtgctgcagtgcctcaag
P E E P L V V K V E E G D N A V L Q C L K
gggacctcagatggccccactcagcagctgacctggtctcgggagtccccgcttaaaccc
G T S D G P T Q Q L T W S R E S P L K P
ttcttaaaactcagcctggggctgccaggcctgggaatccacatgaggcccctggccatc
F L K L S L G L P G L G I H M R P L A I
tggcttttcatcttcaacgtctctcaacagatggggggcttctacctgtgccagccgggg
W L F I F N V S Q Q M G G F Y L C Q P G
cccccctctgagaaggcctggcagcctggctggacagtcaatgtggagggcagcggggag
P P S E K A W Q P G W T V N V E G S G E
ctgttccggtggaatgtttcggacctaggtggcctgggctgtggcctgaagaacaggtcc
L F R W N V S D L G G L G C G L K N R S
tcagagggccccagctccccttccgggaagctcatgagccccaagctgtatgtgtgggcc
S E G P S S P S G K L M S P K L Y V W A
aaagaccgccctgagatctgggagggagagcctccgtgtctcccaccgagggacagcctg
K D R P E I W E G E P P C L P P R D S L
aaccagagcctcagccaggacctcaccatggcccctggctccacactctggctgtcctgt
N Q S L S Q D L T M A P G S T L W L S C
ggggtaccccctgactctgtgtccaggggccccctctcctggacccatgtgcaccccaag
G V P P D S V S R G P L S W T H V H P K
gggcctaagtcattgctgagcctagagctgaaggacgatcgcccggccagagatatgtgg
G P K S L L S L E L K D D R P A R D M W
gtaatggagacgggtctgttgttgccccgggccacagctcaagacgctggaaagtattat
V M E T G L L L P R A T A Q D A G K Y Y
tgtcaccgtggcaacctgaccatgtcattccacctggagatcactgctcggccagtacta
C H R G N L T M S F H L E I T A R P V L
tggcactggctgctgaggactggtggctggaag
W H W L L R T G G W K
gtctcagctgtgactttggcttatctgatcttctgcctgtgttcccttgtgggcattcttcatctt
V S A V T L A Y L I F C L C S L V G I L H L
caaagagccctggtcctgagg
Q R A L V L R
aggaaaagaaagcgaatgactgaccccaccaggagattcttcaaagtgacgcctccccca
R K R K R M T D P T R R F F K V T P P P
ggaagcgggccccagaaccagtacgggaacgtgctgtctctccccacacccacctcaggc
G S G P Q N Q Y G N V L S L P T P T S G
ctcggacgcgcccagcgttgggccgcaggcctggggggcactgccccgtcttatggaaac
L G R A Q R W A A G L G G T A P S Y G N
ccgagcagcgacgtccaggcggatggagccttggggtcccggagcccgccgggagtgggc
P S S D V Q A D G A L G S R S P P G V G
ccagaagaagaggaaggggagggctatgaggaacctgacagtgaggaggactccgagttc
P E E E E G E G Y E E P D S E E D S E F
tatgagaacgactccaaccttgggcaggaccagctctcccaggatggcagcggctacgag
Y E N D S N L G Q D Q L S Q D G S G Y E
aaccctgaggatgagcccctgggtcctgaggatgaagactccttctccaacgctgagtct
N P E D E P L G P E D E D S F S N A E S
tatgagaacgaggatgaagagctgacccagccggtcgccaggacaatggacttcctgagc
Y E N E D E E L T Q P V A R T M D F L S
cctcatgggtcagcctgggaccccagccgggaagcaacctccctggggtcccagtcctat
P H G S A W D P S R E A T S L G S Q S Y
gaggatatgagaggaatcctgtatgcagccccccagctccgctccattcggggccagcct
E D M R G I L Y A A P Q L R S I R G Q P
ggacccaatcatgaggaagatgcagactcttatgagaacatggataatcccgatgggcca
G P N H E E D A D S Y E N M D N P D G P
gacccagcctggggaggagggggccgcatgggcacctggagcaccaggtga
D P A W G G G G R M G T W S T R -
MPPPRLLFFLLFLTPMEVR
extracullular
PEEPLVVKVEEGDNAVLQCLKGTSD
GPTQQLTWSRESPLKPFLKLSLGLPGLGIHMRPLAIWLFIFNVSQQMGGFYLCQPGPP
SEKAWQPGWTVNVEGSGELFRWNVSDLGGLGCGLKNRSSEGPSSPSGKLMSPKLYVWA
KDRPEIWEGEPPCLPPRDSLNQSLSQDLTMAPGSTLWLSCGVPPDSVSRGPLSWTHVH
PKGPKSLLSLELKDDRPARDMWVMETGLLLPRATAQDAGKYYCHRGNLTMSFHLEITA
RPVLWHWLLRTGGWK
transmembrane
VSAVTLAYLIFCLCSLVGILHL
cytoplasmid
QRALVLRRKRKRMTDPTRRFF
KVTPPPGSGPQNQYGNVLSLPTPTSGLGRAQRWAAGLGGTAPSYGNPSSDVQADGALG
SRSPPGVGPEEEEGEGYEEPDSEEDSEFYENDSNLGQDQLSQDGSGYENPEDEPLGPE
DEDSFSNAESYENEDEELTQPVARTMDFLSPHGSAWDPSREATSLGSQSYEDMRGILY
AAPQLRSIRGQPGPNHEEDADSYENMDNPDGPDPAWGGGGRMGTWSTR
Topologica domain 20 – 291 Extracellular 272
Transmembrane 292 – 313 Helical 22
Topological domain 314 – 556 Cytoplasmic 243