Reviewed, UniProtKB/Swiss-Prot P09923 (PPBI_HUMAN)

Names and origin

Protein names

Recommended name:
    Intestinal alkaline phosphatase
      Short name=IAP
    EC=3.1.3.1

Gene names

Name:

ALPI

Organism

Homo sapiens (Human) [Complete proteome]

Taxonomic identifier

9606 [NCBI]

Taxonomic lineage

Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo

Protein attributes

Sequence length	528 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is further processed into a mature form.
Protein existence	Evidence at protein level.

General annotation (Comments)

Catalytic activity	A phosphate monoester + H2O = an alcohol + phosphate.
Cofactor	Binds 1 magnesium ion By similarity. Binds 2 zinc ions By similarity.
Subunit structure	Homodimer.
Subcellular location	Cell membrane; Lipid-anchor › GPI-anchor.
Miscellaneous	In most mammals there are four different isozymes: placental, placental-like, intestinal and tissue non-specific (liver/bone/kidney).
Sequence similarities	Belongs to the alkaline phosphatase family.

Ontologies

Keywords
Cellular component	Cell membrane Membrane
Coding sequence diversity	Polymorphism
Domain	Signal Transmembrane
Ligand	Magnesium Metal-binding Zinc
Molecular function	Hydrolase
PTM	Disulfide bond GPI-anchor Glycoprotein Lipoprotein Phosphoprotein
Technical term	Complete proteome Direct protein sequencing
Gene Ontology (GO)
Biological process	phosphorylation Non-traceable author statement. Source: UniProtKB
Cellular component	anchored to membrane Inferred from electronic annotation. Source: UniProtKB-SubCell integral to membrane Inferred from electronic annotation. Source: UniProtKB-KW plasma membrane Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	alkaline phosphatase activity Ref.3 Non-traceable author statement. Source: UniProtKB magnesium ion binding Inferred from electronic annotation. Source: UniProtKB-KW protein binding Inferred from physical interaction. Source: IntAct zinc ion binding Inferred from electronic annotation. Source: UniProtKB-KW
Complete GO annotation...

Binary interactions

With	Entry	#Exp.	IntAct	Notes
EIF4A2	Q14240	1	EBI-1052631,EBI-73473

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Signal peptide	1 – 19	19	Ref.10 Ref.11
	Chain	20 – 503	484	Intestinal alkaline phosphatase		PRO_0000024037
	Propeptide	504 – 528	25	Removed in mature form By similarity		PRO_0000024038
Sites
	Active site	111	1	Phosphoserine intermediate
	Metal binding	61	1	Magnesium Potential
	Metal binding	61	1	Zinc 2 Potential
	Metal binding	330	1	Magnesium Potential
	Metal binding	335	1	Zinc 1 Potential
	Metal binding	339	1	Zinc 1 Potential
	Metal binding	376	1	Zinc 2 Potential
	Metal binding	377	1	Zinc 2 Potential
	Metal binding	451	1	Zinc 1 Potential
Amino acid modifications
	Modified residue	111	1	Phosphoserine Ref.12
	Lipidation	503	1	GPI-anchor amidated aspartate By similarity
	Glycosylation	141	1	N-linked (GlcNAc...) Potential
	Glycosylation	268	1	N-linked (GlcNAc...) Potential
	Glycosylation	429	1	N-linked (GlcNAc...) Potential
	Disulfide bond	140 ↔ 202		By similarity
	Disulfide bond	486 ↔ 493		By similarity
Natural variations
	Natural variant	144	1	R → H: dbSNP rs7559279.		VAR_050524
	Natural variant	298	1	H → L: dbSNP rs1047223.		VAR_011816
Experimental info
	Sequence conflict	347	1	L → V in AAA51703. Ref.2
	Sequence conflict	410	1	I → T in AAA51704. Ref.1
	Sequence conflict	497	1	P → L in AAA51703. Ref.2

Sequences

	Sequence		Length	Mass (Da)
	P09923-1 [UniParc]. Last modified April 1, 1990. Version 2. Checksum: 465306BEDF9F0B79	FASTA	528	56,812
	10 20 30 40 50 60 MQGPWVLLLL GLRLQLSLGV IPAEEENPAF WNRQAAEALD AAKKLQPIQK VAKNLILFLG 70 80 90 100 110 120 DGLGVPTVTA TRILKGQKNG KLGPETPLAM DRFPYLALSK TYNVDRQVPD SAATATAYLC 130 140 150 160 170 180 GVKANFQTIG LSAAARFNQC NTTRGNEVIS VMNRAKQAGK SVGVVTTTRV QHASPAGTYA 190 200 210 220 230 240 HTVNRNWYSD ADMPASARQE GCQDIATQLI SNMDIDVILG GGRKYMFPMG TPDPEYPADA 250 260 270 280 290 300 SQNGIRLDGK NLVQEWLAKH QGAWYVWNRT ELMQASLDQS VTHLMGLFEP GDTKYEIHRD 310 320 330 340 350 360 PTLDPSLMEM TEAALRLLSR NPRGFYLFVE GGRIDHGHHE GVAYQALTEA VMFDDAIERA 370 380 390 400 410 420 GQLTSEEDTL TLVTADHSHV FSFGGYTLRG SSIFGLAPSK AQDSKAYTSI LYGNGPGYVF 430 440 450 460 470 480 NSGVRPDVNE SESGSPDYQQ QAAVPLSSET HGGEDVAVFA RGPQAHLVHG VQEQSFVAHV 490 500 510 520 MAFAACLEPY TACDLAPPAC TTDAAHPVAA SLPLLAGTLL LLGASAAP

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Cloning and sequencing of human intestinal alkaline phosphatase cDNA." Berger J., Garattini E., Hua J.-C., Udenfriend S. Proc. Natl. Acad. Sci. U.S.A. 84:695-698(1987) [PubMed: 3468508] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA], PARTIAL PROTEIN SEQUENCE.
[2]	"Nucleotide and amino acid sequences of human intestinal alkaline phosphatase: close homology to placental alkaline phosphatase." Henthorn P.S., Raducha M., Edwards Y.H., Weiss M.J., Slaughter C., Lafferty M.A., Harris H. Proc. Natl. Acad. Sci. U.S.A. 84:1234-1238(1987) [PubMed: 3469665] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA].
[3]	"Sequence and characterization of the human intestinal alkaline phosphatase gene." Henthorn P.S., Raducha M., Kadesch T., Weiss M.J., Harris H. J. Biol. Chem. 263:12011-12019(1988) [PubMed: 2841341] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
[4]	"Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. , Yamamoto J., Saito K., Kawai Y., Isono Y., Nakamura Y., Nagahari K., Murakami K., Yasuda T., Iwayanagi T., Wagatsuma M., Shiratori A., Sudo H., Hosoiri T., Kaku Y., Kodaira H., Kondo H., Sugawara M., Takahashi M., Kanda K., Yokoi T., Furuya T., Kikkawa E., Omura Y., Abe K., Kamihara K., Katsuta N., Sato K., Tanikawa M., Yamazaki M., Ninomiya K., Ishibashi T., Yamashita H., Murakawa K., Fujimori K., Tanai H., Kimata M., Watanabe M., Hiraoka S., Chiba Y., Ishida S., Ono Y., Takiguchi S., Watanabe S., Yosida M., Hotuta T., Kusano J., Kanehori K., Takahashi-Fujii A., Hara H., Tanase T.-O., Nomura Y., Togiya S., Komai F., Hara R., Takeuchi K., Arita M., Imose N., Musashino K., Yuuki H., Oshima A., Sasaki N., Aotsuka S., Yoshikawa Y., Matsunawa H., Ichihara T., Shiohata N., Sano S., Moriya S., Momiyama H., Satoh N., Takami S., Terashima Y., Suzuki O., Nakagawa S., Senoh A., Mizoguchi H., Goto Y., Shimizu F., Wakebe H., Hishigaki H., Watanabe T., Sugiyama A., Takemoto M., Kawakami B., Yamazaki M., Watanabe K., Kumagai A., Itakura S., Fukuzumi Y., Fujimori Y., Komiyama M., Tashiro H., Tanigami A., Fujiwara T., Ono T., Yamada K., Fujii Y., Ozaki K., Hirao M., Ohmori Y., Kawabata A., Hikiji T., Kobatake N., Inagaki H., Ikema Y., Okamoto S., Okitani R., Kawakami T., Noguchi S., Itoh T., Shigeta K., Senba T., Matsumura K., Nakajima Y., Mizuno T., Morinaga M., Sasaki M., Togashi T., Oyama M., Hata H., Watanabe M., Komatsu T., Mizushima-Sugano J., Satoh T., Shirai Y., Takahashi Y., Nakagawa K., Okumura K., Nagase T., Nomura N., Kikuchi H., Masuho Y., Yamashita R., Nakai K., Yada T., Nakamura Y., Ohara O., Isogai T., Sugano S. Nat. Genet. 36:40-45(2004) [PubMed: 14702039] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
[5]	"Generation and annotation of the DNA sequences of human chromosomes 2 and 4." Hillier L.W., Graves T.A., Fulton R.S., Fulton L.A., Pepin K.H., Minx P., Wagner-McPherson C., Layman D., Wylie K., Sekhon M., Becker M.C., Fewell G.A., Delehaunty K.D., Miner T.L., Nash W.E., Kremitzki C., Oddy L., Du H. , Sun H., Bradshaw-Cordum H., Ali J., Carter J., Cordes M., Harris A., Isak A., van Brunt A., Nguyen C., Du F., Courtney L., Kalicki J., Ozersky P., Abbott S., Armstrong J., Belter E.A., Caruso L., Cedroni M., Cotton M., Davidson T., Desai A., Elliott G., Erb T., Fronick C., Gaige T., Haakenson W., Haglund K., Holmes A., Harkins R., Kim K., Kruchowski S.S., Strong C.M., Grewal N., Goyea E., Hou S., Levy A., Martinka S., Mead K., McLellan M.D., Meyer R., Randall-Maher J., Tomlinson C., Dauphin-Kohlberg S., Kozlowicz-Reilly A., Shah N., Swearengen-Shahid S., Snider J., Strong J.T., Thompson J., Yoakum M., Leonard S., Pearman C., Trani L., Radionenko M., Waligorski J.E., Wang C., Rock S.M., Tin-Wollam A.-M., Maupin R., Latreille P., Wendl M.C., Yang S.-P., Pohl C., Wallis J.W., Spieth J., Bieri T.A., Berkowicz N., Nelson J.O., Osborne J., Ding L., Meyer R., Sabo A., Shotland Y., Sinha P., Wohldmann P.E., Cook L.L., Hickenbotham M.T., Eldred J., Williams D., Jones T.A., She X., Ciccarelli F.D., Izaurralde E., Taylor J., Schmutz J., Myers R.M., Cox D.R., Huang X., McPherson J.D., Mardis E.R., Clifton S.W., Warren W.C., Chinwalla A.T., Eddy S.R., Marra M.A., Ovcharenko I., Furey T.S., Miller W., Eichler E.E., Bork P., Suyama M., Torrents D., Waterston R.H., Wilson R.K. Nature 434:724-731(2005) [PubMed: 15815621] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[6]	Mural R.J., Istrail S., Sutton G.G., Florea L., Halpern A.L., Mobarry C.M., Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., Turner R. , Yooseph S., Lu F., Nusskern D.R., Shue B.C., Zheng X.H., Zhong F., Delcher A.L., Huson D.H., Kravitz S.A., Mouchard L., Reinert K., Remington K.A., Clark A.G., Waterman M.S., Eichler E.E., Adams M.D., Hunkapiller M.W., Myers E.W., Venter J.C. Submitted (JUL-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[7]	"The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed: 15489334] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
[8]	"Promoter structure of the human intestinal alkaline phosphatase gene." Millan J.L. Nucleic Acids Res. 15:10599-10599(1987) [PubMed: 3697102] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-100.
[9]	"Two gene duplication events in the evolution of the human heat-stable alkaline phosphatases." Knoll B.J., Rothblum K.N., Longley M. Gene 60:267-276(1987) [PubMed: 3443302] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA] OF 1-73.
[10]	"Partial sequencing of human adult, human fetal, and bovine intestinal alkaline phosphatases: comparison with the human placental and liver isozymes." Hua J.-C., Berger J., Pan Y.C.E., Hulmes J.D., Udenfriend S. Proc. Natl. Acad. Sci. U.S.A. 83:2368-2372(1986) [PubMed: 3458202] [Abstract] Cited for: PROTEIN SEQUENCE OF 20-58.
[11]	"Chemical nature of intestinal-type alkaline phosphatase in human kidney." Nishihara Y., Hayashi Y., Adachi T., Koyama I., Stigbrand T., Hirano K. Clin. Chem. 38:2539-2542(1992) [PubMed: 1458595] [Abstract] Cited for: PROTEIN SEQUENCE OF 20-49.
[12]	"Large-scale characterization of HeLa cell nuclear phosphoproteins." Beausoleil S.A., Jedrychowski M., Schwartz D., Elias J.E., Villen J., Li J., Cohn M.A., Cantley L.C., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 101:12130-12135(2004) [PubMed: 15302935] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-111, MASS SPECTROMETRY. Tissue: Epithelium.
+	Additional computationally mapped references.

Web resources

Wikipedia

Alkaline phosphatase entry

Cross-references

Sequence databases
EMBLGenBankDDBJ	M15694 mRNA. Translation: AAA51703.1. M31008 mRNA. Translation: AAA51704.1. J03930 Genomic DNA. Translation: AAA98617.1. AK313163 mRNA. Translation: BAG35981.1. AC068134 Genomic DNA. Translation: AAY24089.1. CH471063 Genomic DNA. Translation: EAW70997.1. BC132678 mRNA. Translation: AAI32679.1. Y00512 Genomic DNA. Translation: CAA68564.1. M19161 Genomic DNA. Translation: AAA51705.1.
IPI	IPI00298622.
PIR	PAHUI. A31073.
RefSeq	NP_001622.2.
UniGene	Hs.284255 Hs.37009
3D structure databases
HSSP	HSSP built from PDB template 1EW2 based on UniProtKB P05187.
SMR	P09923. Positions 20-498.
ModBase	Search...
Protein-protein interaction databases
IntAct	P09923. 1 interaction.
STRING	P09923.
PTM databases
GlycoSuiteDB	P09923.
PhosphoSite	P09923.
Proteomic databases
PRIDE	P09923.
Genome annotation databases
Ensembl	ENST00000295463; ENSP00000295463; ENSG00000163295; Homo sapiens. [Genome view] ENST00000457560; ENSP00000413068; ENSG00000163295; Homo sapiens. [Genome view]
GeneID	248.
KEGG	hsa:248.
NMPDR	fig|9606.3.peg.19514.
UCSC	uc002vst.2. human.
Organism-specific databases
CTD	248.
GeneCards	GC02P233029.
HGNC	HGNC:437. ALPI.
MIM	171740. gene.
PharmGKB	PA24728.
GenAtlas	Search...
Phylogenomic databases
HOGENOM	P09923.
HOVERGEN	P09923.
OMA	KAYTSIL.
Enzyme and pathway databases
BRENDA	3.1.3.1. 247.
Gene expression databases
ArrayExpress	P09923.
Bgee	P09923.
CleanEx	HS_ALPI.
Genevestigator	P09923.
GermOnline	ENSG00000163295. Homo sapiens.
Family and domain databases
InterPro	IPR017849. Alkaline_Pase-like_a/b/a. IPR001952. Alkaline_phosphatase. IPR018299. Alkaline_phosphatase_AS. [Graphical view]
Gene3D	G3DSA:3.40.720.10. Alk_phosphtse. 1 hit.
Pfam	PF00245. Alk_phosphatase. 1 hit. [Graphical view]
PRINTS	PR00113. ALKPHPHTASE.
SMART	SM00098. alkPPc. 1 hit. [Graphical view]
PROSITE	PS00123. ALKALINE_PHOSPHATASE. 1 hit. [Graphical view]
ProtoNet	Search...
Other Resources
NextBio	993.
SOURCE	Search...

Entry information

Entry name

PPBI_HUMAN

Accession

Primary (citable) accession number: P09923
Secondary accession number(s): B2R7Y4 , Q53S80, Q9UBV5, Q9UCL2

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 1, 1989
Last sequence update:	April 1, 1990
Last modified:	November 3, 2009
This is version 106 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HPI (Human Proteome Initiative)

Disclaimer

Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care.