Cloning and characterization of a novel human phosphatidic acid phosphatase type 2, PAP2d, with two different transcripts PAP2d_v1 and PAP2d_v2.
This study reports the cloning and characterization of a novel human phosphatidic acid phosphatase type 2 isoform cDNAs (PAP2d) from the foetal brain cDNA library. The PAP2d gene is localized on chromosome 1p21.3. It contains six exons and spans 112 kb of the genomic DNA. By large-scale cDNA sequencing we found two splice variants of PAP2d, PAP2d_v1 and PAP2d_v2. The PAP2d_v1 cDNA is 1722 bp in length and spans an open reading frame from nucleotide 56 to 1021, encoding a 321aa protein. The PAP2d_v2 cDNA is 1707 bp in length encoding a 316aa protein from nucleotide 56-1006. The PAP2d_v1 cDNA is 15 bp longer than the PAP2d_v2 cDNA in the terminal of the fifth exon and it creates different ORF. Both of the proteins contain a well-conserved PAP2 motif. The PAP2d_v1 is mainly expressed in human brain, lung, kidney, testis and colon, while PAP2d_v2 is restricted to human placenta, skeletal muscle, and kidney. The two splice variants are co-expressed only in kidney.
Sun
Liyun
L
State Key Laboratory of Genetic Engineering, Institute of Genetics, School of Life Sciences, Fudan University, Shanghai, People's Republic of China.
Gu
Shaohua
S
Sun
Yaqiong
Y
Zheng
Dan
D
Wu
Qihan
Q
Li
Xin
X
Dai
Jianfeng
J
Dai
Jianliang
J
Ji
Chaoneng
C
Xie
Yi
Y
Mao
Yumin
Y
D017398:Alternative Splicing; D000595:Amino Acid Sequence; D001483:Base Sequence; D002878:Chromosomes, Human, Pair 1 / Q000235:genetics; D003001:Cloning, Molecular; D015723:Gene Library; D006801:Humans; D008969:Molecular Sequence Data; D010711:Phosphatidate Phosphatase / Q000096:biosynthesis / Q000235:genetics*; D016415:Sequence Alignment; D014018:Tissue Distribution; D014158:Transcription, Genetic
C406242:phosphatidic acid phosphatase type 2; C504895:PLPPR5 protein, human; D010711:Phosphatidate Phosphatase