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P28906 (CD34_HUMAN) Reviewed, UniProtKB/Swiss-Prot

Last modified April 16, 2014. Version 130. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (6) | Third-party data text xml rdf/xml gff fasta
to top of pageNames·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Web links·Cross-refs·Entry info·DocumentsCustomize order

Names and origin

Protein namesRecommended name:
Hematopoietic progenitor cell antigen CD34
Alternative name(s):
CD_antigen=CD34
Gene names
Name:CD34
OrganismHomo sapiens (Human) [Reference proteome]
Taxonomic identifier9606 [NCBI]
Taxonomic lineageEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo

Protein attributes

Sequence length385 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Possible adhesion molecule with a role in early hematopoiesis by mediating the attachment of stem cells to the bone marrow extracellular matrix or directly to stromal cells. Could act as a scaffold for the attachment of lineage specific glycans, allowing stem cells to bind to lectins expressed by stromal cells or other marrow components. Presents carbohydrate ligands to selectins.

Subcellular location

Membrane; Single-pass type I membrane protein.

Tissue specificity

Selectively expressed on hematopoietic progenitor cells and the small vessel endothelium of a variety of tissues.

Developmental stage

On early hematopoietic progenitor cells.

Post-translational modification

Highly glycosylated.

Phosphorylated on serine residues by PKC. Ref.10

Sequence similarities

Belongs to the CD34 family.

Sequence caution

The sequence AAA03181.1 differs from that shown. Reason: Erroneous initiation.

Ontologies

Keywords
   Biological processCell adhesion
   Cellular componentMembrane
   Coding sequence diversityAlternative splicing
Polymorphism
   DomainSignal
Transmembrane
Transmembrane helix
   PTMGlycoprotein
Phosphoprotein
   Technical termComplete proteome
Direct protein sequencing
Reference proteome
Gene Ontology (GO)
   Biological_processcell motility

Inferred from expression pattern PubMed 17261663. Source: UniProtKB

cell proliferation

Inferred from sequence or structural similarity. Source: UniProtKB

cell-cell adhesion

Inferred from direct assay PubMed 15249540. Source: HGNC

endothelial cell proliferation

Inferred from direct assay PubMed 21835908. Source: UniProtKB

endothelium development

Inferred from expression pattern PubMed 17261663. Source: UniProtKB

extracellular vesicular exosome assembly

Inferred from direct assay PubMed 21835908. Source: UniProtKB

glomerular endothelium development

Inferred from expression pattern PubMed 17464107. Source: UniProtKB

glomerular filtration

Inferred from expression pattern PubMed 20354148. Source: UniProtKB

glutamate metabolic process

Inferred from direct assay PubMed 17505307. Source: UniProtKB

hematopoietic stem cell proliferation

Inferred from mutant phenotype PubMed 21873977. Source: UniProtKB

hemopoiesis

Inferred from mutant phenotype PubMed 15969628. Source: UniProtKB

leukocyte migration

Inferred from sequence or structural similarity. Source: HGNC

mesangial cell-matrix adhesion

Inferred from sequence or structural similarity. Source: UniProtKB

metanephric glomerular mesangial cell differentiation

Inferred from expression pattern PubMed 1868864. Source: UniProtKB

negative regulation of blood coagulation

Inferred from direct assay PubMed 17505307. Source: UniProtKB

negative regulation of cellular response to heat

Inferred from direct assay PubMed 17505307. Source: UniProtKB

negative regulation of cellular response to hypoxia

Inferred from direct assay PubMed 17505307. Source: UniProtKB

negative regulation of gene expression

Inferred from mutant phenotype PubMed 15969628. Source: UniProtKB

negative regulation of interleukin-2 secretion

Inferred from mutant phenotype PubMed 9815891. Source: UniProtKB

negative regulation of neuron death

Inferred from direct assay PubMed 17505307. Source: UniProtKB

negative regulation of nitric oxide biosynthetic process

Inferred from direct assay PubMed 17505307. Source: UniProtKB

negative regulation of tumor necrosis factor production

Inferred from direct assay PubMed 17505307. Source: UniProtKB

paracrine signaling

Inferred from direct assay PubMed 21835908. Source: UniProtKB

positive regulation of angiogenesis

Inferred from direct assay PubMed 12939361PubMed 21835908. Source: UniProtKB

positive regulation of gene expression

Inferred from expression pattern PubMed 17261663. Source: UniProtKB

positive regulation of glial cell line-derived neurotrophic factor secretion

Inferred from direct assay PubMed 17505307. Source: UniProtKB

positive regulation of granulocyte colony-stimulating factor production

Inferred from direct assay PubMed 9815891. Source: UniProtKB

positive regulation of interleukin-10 production

Inferred from direct assay PubMed 17505307. Source: UniProtKB

positive regulation of odontogenesis

Inferred from direct assay PubMed 12939361. Source: UniProtKB

positive regulation of transforming growth factor beta production

Inferred from direct assay PubMed 17505307. Source: UniProtKB

positive regulation of vasculogenesis

Inferred from direct assay PubMed 12939361. Source: UniProtKB

regulation of blood pressure

Inferred from direct assay PubMed 17505307. Source: UniProtKB

regulation of immune response

Traceable author statement. Source: Reactome

signal transduction

Inferred from expression pattern PubMed 17261663. Source: UniProtKB

stem cell proliferation

Inferred from expression pattern PubMed 17261663. Source: UniProtKB

tissue homeostasis

Inferred from direct assay PubMed 12939361. Source: UniProtKB

transdifferentiation

Inferred from expression pattern PubMed 1868864. Source: UniProtKB

vascular wound healing

Inferred from expression pattern PubMed 20354148. Source: UniProtKB

   Cellular_componentapical plasma membrane

Inferred from sequence or structural similarity. Source: UniProtKB

basal plasma membrane

Inferred from sequence or structural similarity. Source: UniProtKB

cytoplasm

Inferred from direct assay PubMed 7525669. Source: UniProtKB

external side of plasma membrane

Inferred from direct assay PubMed 10337918PubMed 12939361PubMed 20354148. Source: UniProtKB

glomerular endothelium fenestra

Inferred from sequence or structural similarity. Source: UniProtKB

integral component of plasma membrane

Traceable author statement PubMed 9042286. Source: UniProtKB

intercellular bridge

Inferred from direct assay PubMed 7525669. Source: UniProtKB

lysosome

Inferred from sequence or structural similarity. Source: UniProtKB

perinuclear region of cytoplasm

Inferred from direct assay PubMed 7525669. Source: UniProtKB

plasma membrane

Inferred from direct assay PubMed 17464107PubMed 1868864PubMed 7525669PubMed 9042286. Source: UniProtKB

   Molecular_functioncarbohydrate binding

Inferred from direct assay PubMed 15249540. Source: HGNC

sulfate binding

Inferred from electronic annotation. Source: Ensembl

transcription factor binding

Inferred from physical interaction PubMed 21873977. Source: UniProtKB

Complete GO annotation...

Alternative products

This entry describes 2 isoforms produced by alternative splicing. [Align] [Select]

Note: Both isoforms are expressed on the cell surface. CD34-T/CD34-F ratio increases with cell differentiation.
Isoform CD34-F (identifier: P28906-1)

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.
Isoform CD34-T (identifier: P28906-2)

The sequence of this isoform differs from the canonical sequence as follows:
     325-328: GEDP → ELEP
     329-385: Missing.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Signal peptide1 – 3131 Ref.1 Ref.9
Chain32 – 385354Hematopoietic progenitor cell antigen CD34
PRO_0000020900

Regions

Topological domain32 – 290259Extracellular Potential
Transmembrane291 – 31121Helical; Potential
Topological domain312 – 38574Cytoplasmic Potential

Amino acid modifications

Modified residue3291Phosphotyrosine By similarity
Modified residue3391Phosphotyrosine By similarity
Glycosylation361N-linked (GlcNAc...) Potential
Glycosylation511N-linked (GlcNAc...) Potential
Glycosylation551N-linked (GlcNAc...) Potential
Glycosylation851N-linked (GlcNAc...) Potential
Glycosylation1071N-linked (GlcNAc...) Potential
Glycosylation1261N-linked (GlcNAc...) Potential
Glycosylation1421N-linked (GlcNAc...) Potential
Glycosylation1941N-linked (GlcNAc...) Potential
Glycosylation2491N-linked (GlcNAc...) Potential

Natural variations

Alternative sequence325 – 3284GEDP → ELEP in isoform CD34-T.
VSP_004159
Alternative sequence329 – 38557Missing in isoform CD34-T.
VSP_004160
Natural variant3671A → S.
Corresponds to variant rs28362497 [ dbSNP | Ensembl ].
VAR_050774

Experimental info

Sequence conflict1871Q → E AA sequence Ref.9
Sequence conflict325 – 3273GED → ELE Ref.3
Sequence conflict3611E → K Ref.1
Sequence conflict3611E → K Ref.2

Sequences

Sequence LengthMass (Da)Tools
Isoform CD34-F [UniParc].

Last modified July 15, 1998. Version 2.
Checksum: BC581A8FCFFE2BB3

FASTA38540,716
        10         20         30         40         50         60 
MLVRRGARAG PRMPRGWTAL CLLSLLPSGF MSLDNNGTAT PELPTQGTFS NVSTNVSYQE 

        70         80         90        100        110        120 
TTTPSTLGST SLHPVSQHGN EATTNITETT VKFTSTSVIT SVYGNTNSSV QSQTSVISTV 

       130        140        150        160        170        180 
FTTPANVSTP ETTLKPSLSP GNVSDLSTTS TSLATSPTKP YTSSSPILSD IKAEIKCSGI 

       190        200        210        220        230        240 
REVKLTQGIC LEQNKTSSCA EFKKDRGEGL ARVLCGEEQA DADAGAQVCS LLLAQSEVRP 

       250        260        270        280        290        300 
QCLLLVLANR TEISSKLQLM KKHQSDLKKL GILDFTEQDV ASHQSYSQKT LIALVTSGAL 

       310        320        330        340        350        360 
LAVLGITGYF LMNRRSWSPT GERLGEDPYY TENGGGQGYS SGPGTSPEAQ GKASVNRGAQ 

       370        380 
ENGTGQATSR NGHSARQHVV ADTEL 

« Hide

Isoform CD34-T [UniParc].

Checksum: 7FFBEBC98D4CC61D
Show »

FASTA32835,011

References

« Hide 'large scale' references
[1]"Molecular cloning of a cDNA encoding CD34, a sialomucin of human hematopoietic stem cells."
Simmons D.L., Satterthwaite A.B., Tenen D.G., Seed B.
J. Immunol. 148:267-271(1992) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM CD34-F), PROTEIN SEQUENCE OF 32-43.
Tissue: Bone marrow.
[2]"Structure of the gene encoding CD34, a human hematopoietic stem cell antigen."
Satterthwaite A.B., Burn T.C., le Beau M.M., Tenen D.G.
Genomics 12:788-794(1992) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA / MRNA] (ISOFORM CD34-F).
[3]"Two alternative forms of cDNA encoding CD34."
Nakamura Y., Komano H., Nakauchi H.
Exp. Hematol. 21:236-242(1993) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS CD34-F AND CD34-T).
Tissue: Megakaryoblast.
[4]"Sequence analysis of the human CD34 antigen."
Freund D., Wiebe G.J., Ehninger G., Corbeil D.
Submitted (JUN-2002) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM CD34-F).
Tissue: Heart.
[5]"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. expand/collapse author list , 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] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM CD34-F).
Tissue: Placenta.
[6]"The DNA sequence and biological annotation of human chromosome 1."
Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K. expand/collapse author list , Atkinson A., Cooper R., Jones C., Hall R.E., Andrews T.D., Lloyd C., Ainscough R., Almeida J.P., Ambrose K.D., Anderson F., Andrew R.W., Ashwell R.I.S., Aubin K., Babbage A.K., Bagguley C.L., Bailey J., Beasley H., Bethel G., Bird C.P., Bray-Allen S., Brown J.Y., Brown A.J., Buckley D., Burton J., Bye J., Carder C., Chapman J.C., Clark S.Y., Clarke G., Clee C., Cobley V., Collier R.E., Corby N., Coville G.J., Davies J., Deadman R., Dunn M., Earthrowl M., Ellington A.G., Errington H., Frankish A., Frankland J., French L., Garner P., Garnett J., Gay L., Ghori M.R.J., Gibson R., Gilby L.M., Gillett W., Glithero R.J., Grafham D.V., Griffiths C., Griffiths-Jones S., Grocock R., Hammond S., Harrison E.S.I., Hart E., Haugen E., Heath P.D., Holmes S., Holt K., Howden P.J., Hunt A.R., Hunt S.E., Hunter G., Isherwood J., James R., Johnson C., Johnson D., Joy A., Kay M., Kershaw J.K., Kibukawa M., Kimberley A.M., King A., Knights A.J., Lad H., Laird G., Lawlor S., Leongamornlert D.A., Lloyd D.M., Loveland J., Lovell J., Lush M.J., Lyne R., Martin S., Mashreghi-Mohammadi M., Matthews L., Matthews N.S.W., McLaren S., Milne S., Mistry S., Moore M.J.F., Nickerson T., O'Dell C.N., Oliver K., Palmeiri A., Palmer S.A., Parker A., Patel D., Pearce A.V., Peck A.I., Pelan S., Phelps K., Phillimore B.J., Plumb R., Rajan J., Raymond C., Rouse G., Saenphimmachak C., Sehra H.K., Sheridan E., Shownkeen R., Sims S., Skuce C.D., Smith M., Steward C., Subramanian S., Sycamore N., Tracey A., Tromans A., Van Helmond Z., Wall M., Wallis J.M., White S., Whitehead S.L., Wilkinson J.E., Willey D.L., Williams H., Wilming L., Wray P.W., Wu Z., Coulson A., Vaudin M., Sulston J.E., Durbin R.M., Hubbard T., Wooster R., Dunham I., Carter N.P., McVean G., Ross M.T., Harrow J., Olson M.V., Beck S., Rogers J., Bentley D.R.
Nature 441:315-321(2006) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[7]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. expand/collapse author list , 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 (SEP-2005) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
[8]"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] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM CD34-F).
Tissue: Skin.
[9]"Structural and partial amino acid sequence analysis of the human hemopoietic progenitor cell antigen CD34."
Sutherland D.R., Watt S.M., Dowden G., Karhi K., Baker M.A., Greaves M.F., Smart J.E.
Leukemia 2:793-803(1988) [PubMed] [Europe PMC] [Abstract]
Cited for: PROTEIN SEQUENCE OF 32-47 AND 175-191, CHARACTERIZATION.
[10]"Activated protein kinase C directly phosphorylates the CD34 antigen on hematopoietic cells."
Fackler M.J., Civin C.I., Sutherland D.R., Baker M.A., May W.S.
J. Biol. Chem. 265:11056-11061(1990) [PubMed] [Europe PMC] [Abstract]
Cited for: PHOSPHORYLATION BY PKC.
+Additional computationally mapped references.

Web resources

Wikipedia

CD34 entry

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
M81104 mRNA. Translation: AAA03181.1. Different initiation.
M81945 expand/collapse EMBL AC list , M81938, M81939, M81940, M81941, M81942, M81943, M81944 Genomic DNA. Translation: AAA03659.1.
S53910 mRNA. Translation: AAB25222.1.
S53911 mRNA. Translation: AAB25223.1.
AF523361 mRNA. Translation: AAM82157.1.
AK291529 mRNA. Translation: BAF84218.1.
AL356275 Genomic DNA. Translation: CAI40195.1.
AL356275 Genomic DNA. Translation: CAI40196.1.
CH471100 Genomic DNA. Translation: EAW93459.1.
BC039146 mRNA. Translation: AAH39146.2.
PIRA38078.
I67604.
RefSeqNP_001020280.1. NM_001025109.1.
NP_001764.1. NM_001773.2.
UniGeneHs.374990.

3D structure databases

ProteinModelPortalP28906.
ModBaseSearch...
MobiDBSearch...

Protein-protein interaction databases

BioGrid107385. 3 interactions.
IntActP28906. 1 interaction.
STRING9606.ENSP00000310036.

PTM databases

PhosphoSiteP28906.

Polymorphism databases

DMDM3183511.

Proteomic databases

PaxDbP28906.
PRIDEP28906.

Protocols and materials databases

DNASU947.
StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblENST00000310833; ENSP00000310036; ENSG00000174059. [P28906-1]
ENST00000356522; ENSP00000348916; ENSG00000174059. [P28906-2]
GeneID947.
KEGGhsa:947.
UCSCuc001hgw.1. human. [P28906-1]
uc001hgx.1. human. [P28906-2]

Organism-specific databases

CTD947.
GeneCardsGC01M208057.
HGNCHGNC:1662. CD34.
HPACAB000018.
MIM142230. gene.
neXtProtNX_P28906.
PharmGKBPA26211.
GenAtlasSearch...

Phylogenomic databases

eggNOGNOG42285.
HOVERGENHBG003461.
InParanoidP28906.
KOK06474.
OMAKGEIKCS.
PhylomeDBP28906.
TreeFamTF335795.

Enzyme and pathway databases

ReactomeREACT_6900. Immune System.

Gene expression databases

ArrayExpressP28906.
BgeeP28906.
CleanExHS_CD34.
GenevestigatorP28906.

Family and domain databases

InterProIPR008083. CD34.
IPR013836. CD34/Podocalyxin.
[Graphical view]
PANTHERPTHR16677. PTHR16677. 1 hit.
PfamPF06365. CD34_antigen. 1 hit.
[Graphical view]
PRINTSPR01700. CD34ANTIGEN.
ProtoNetSearch...

Other

ChiTaRSCD34. human.
GeneWikiCD34.
GenomeRNAi947.
NextBio3932.
PROP28906.
SOURCESearch...

Entry information

Entry nameCD34_HUMAN
AccessionPrimary (citable) accession number: P28906
Secondary accession number(s): A8K664 expand/collapse secondary AC list , Q15970, Q15971, Q5JTA3, Q5JTA4, Q9UJB1
Entry history
Integrated into UniProtKB/Swiss-Prot: December 1, 1992
Last sequence update: July 15, 1998
Last modified: April 16, 2014
This is version 130 of the entry and version 2 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program
DisclaimerAny 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.

Relevant documents

SIMILARITY comments

Index of protein domains and families

MIM cross-references

Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot

Human polymorphisms and disease mutations

Index of human polymorphisms and disease mutations

Human entries with polymorphisms or disease mutations

List of human entries with polymorphisms or disease mutations

Human chromosome 1

Human chromosome 1: entries, gene names and cross-references to MIM

Human cell differentiation molecules

CD nomenclature of surface proteins of human leucocytes and list of entries