Reviewed, UniProtKB/Swiss-Prot Q6S5H4 (A26B1_HUMAN)

Names and origin

Protein names

Recommended name:
    ANKRD26-like family B member 1
Alternative name(s):
    Prostate, ovary, testis-expressed protein on chromosome 15
      Short name=POTE-15

Gene names

Name:	A26B1
Synonyms:	POTE15

Organism

Homo sapiens (Human)

Taxonomic identifier

9606 [NCBI]

Taxonomic lineage

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

Protein attributes

Sequence length	581 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Evidence at transcript level.

General annotation (Comments)

Sequence similarities

Belongs to the POTE family. Contains 7 ANK repeats.

Ontologies

Keywords
Coding sequence diversity	Alternative splicing Polymorphism
Domain	ANK repeat Coiled coil Repeat
Gene Ontology (GO)
None. [Check GOA]

Alternative products

This entry describes 3 isoforms produced by alternative splicing. [Align] [Select]

Isoform 1 (identifier: Q6S5H4-1)

Also known as: POTE15A;

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 2 (identifier: Q6S5H4-2)

Also known as: POTE15B;

The sequence of this isoform differs from the canonical sequence as follows:
     52-88: Missing.

Isoform 3 (identifier: Q6S5H4-3)

The sequence of this isoform differs from the canonical sequence as follows:
     376-381: EQDLKL → GKEAEE
     382-581: Missing.

Notes: No experimental confirmation available.

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view
Molecule processing
	Chain	1 – 581	581	ANKRD26-like family B member 1
Regions
	Repeat	138 – 171	34	ANK 1
	Repeat	172 – 201	30	ANK 2
	Repeat	205 – 234	30	ANK 3
	Repeat	238 – 267	30	ANK 4
	Repeat	271 – 300	30	ANK 5
	Repeat	304 – 333	30	ANK 6
	Repeat	337 – 373	37	ANK 7
	Coiled coil	489 – 577	89	Potential
Natural variations
	Alternative sequence	52 – 88	37	Missing in isoform 2.
	Alternative sequence	376 – 381	6	EQDLKL → GKEAEE in isoform 3.
	Alternative sequence	382 – 581	200	Missing in isoform 3.
	Natural variant	30	1	H → D: dbSNP rs4503752.
	Natural variant	43	1	M → V: dbSNP rs2605913.
	Natural variant	64	1	C → W: dbSNP rs2458860.
	Natural variant	68	1	C → R: dbSNP rs6599743.
	Natural variant	77	1	T → K: dbSNP rs4429251.
	Natural variant	88	1	N → D: dbSNP rs2458862.
	Natural variant	286	1	Q → E: dbSNP rs2445603.
	Natural variant	511	1	K → E: dbSNP rs1949282.
	Natural variant	535	1	M → K: dbSNP rs1828869.
	Natural variant	568	1	A → V: dbSNP rs1828868.
Experimental info
	Sequence conflict	203	1	D → G in AAH66981. Ref.2

Sequences

	Sequence		Length	Mass (Da)
	Isoform 1 (POTE15A) [UniParc]. Last modified July 5, 2004. Version 1. Checksum: 86D1E88F98BD22DF	FASTA	581	65,710
	10 20 30 40 50 60 MVAEVCSMPA ASAVKKPFDL RSKMGKWCHH RFPCCRGSGK SNMGTSGDHD DSFMKTLRSK 70 80 90 100 110 120 MGKCCHHCFP CCRGSGTSNV GTSGDHDNSF MKTLRSKMGK WCCHCFPCCR GSGKSNVGTW 130 140 150 160 170 180 GDYDDSAFME PRYHVRREDL DKLHRAAWWG KVPRKDLIVM LRDTDMNKRD KQKRTALHLA 190 200 210 220 230 240 SANGNSEVVQ LLLDRRCQLN VLDNKKRTAL IKAVQCQEDE CVLMLLEHGA DGNIQDEYGN 250 260 270 280 290 300 TALHYAIYNE DKLMAKALLL YGADIESKNK CGLTPLLLGV HEQKQQVVKF LIKKKANLNA 310 320 330 340 350 360 LDRYGRTALI LAVCCGSASI VNLLLEQNVD VSSQDLSGQT AREYAVSSHH HVICELLSDY 370 380 390 400 410 420 KEKQMLKISS ENSNPEQDLK LTSEEESQRL KVSENSQPEK MSQEPEINKD CDREVEEEIK 430 440 450 460 470 480 KHGSNPVGLP ENLTNGASAG NGDDGLIPQR KSRKPENQQF PDTENEEYHS DEQNDTQKQL 490 500 510 520 530 540 SEEQNTGISQ DEILTNKQKQ IEVAEKEMNS KLSLSHKKEE DLLRENSMLR EEIAMLRLEL 550 560 570 580 DETKHQNQLR ENKILEEIES VKEKLLKAIQ LNEEALTKTS I
	Isoform 2 (POTE15B) [UniParc]. Checksum: A2591F127EDAD5A1		544	61,738
	10 20 30 40 50 60 MVAEVCSMPA ASAVKKPFDL RSKMGKWCHH RFPCCRGSGK SNMGTSGDHD DSFMKTLRSK 70 80 90 100 110 120 MGKWCCHCFP CCRGSGKSNV GTWGDYDDSA FMEPRYHVRR EDLDKLHRAA WWGKVPRKDL 130 140 150 160 170 180 IVMLRDTDMN KRDKQKRTAL HLASANGNSE VVQLLLDRRC QLNVLDNKKR TALIKAVQCQ 190 200 210 220 230 240 EDECVLMLLE HGADGNIQDE YGNTALHYAI YNEDKLMAKA LLLYGADIES KNKCGLTPLL 250 260 270 280 290 300 LGVHEQKQQV VKFLIKKKAN LNALDRYGRT ALILAVCCGS ASIVNLLLEQ NVDVSSQDLS 310 320 330 340 350 360 GQTAREYAVS SHHHVICELL SDYKEKQMLK ISSENSNPEQ DLKLTSEEES QRLKVSENSQ 370 380 390 400 410 420 PEKMSQEPEI NKDCDREVEE EIKKHGSNPV GLPENLTNGA SAGNGDDGLI PQRKSRKPEN 430 440 450 460 470 480 QQFPDTENEE YHSDEQNDTQ KQLSEEQNTG ISQDEILTNK QKQIEVAEKE MNSKLSLSHK 490 500 510 520 530 540 KEEDLLRENS MLREEIAMLR LELDETKHQN QLRENKILEE IESVKEKLLK AIQLNEEALT KTSI
	Isoform 3 [UniParc]. Checksum: 020E81CF0BEE970A		381	42,624
	10 20 30 40 50 60 MVAEVCSMPA ASAVKKPFDL RSKMGKWCHH RFPCCRGSGK SNMGTSGDHD DSFMKTLRSK 70 80 90 100 110 120 MGKCCHHCFP CCRGSGTSNV GTSGDHDNSF MKTLRSKMGK WCCHCFPCCR GSGKSNVGTW 130 140 150 160 170 180 GDYDDSAFME PRYHVRREDL DKLHRAAWWG KVPRKDLIVM LRDTDMNKRD KQKRTALHLA 190 200 210 220 230 240 SANGNSEVVQ LLLDRRCQLN VLDNKKRTAL IKAVQCQEDE CVLMLLEHGA DGNIQDEYGN 250 260 270 280 290 300 TALHYAIYNE DKLMAKALLL YGADIESKNK CGLTPLLLGV HEQKQQVVKF LIKKKANLNA 310 320 330 340 350 360 LDRYGRTALI LAVCCGSASI VNLLLEQNVD VSSQDLSGQT AREYAVSSHH HVICELLSDY 370 380 KEKQMLKISS ENSNPGKEAE E

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Five POTE paralogs and their splice variants are expressed in human prostate and encode proteins of different lengths." Bera T.K., Huynh N., Maeda H., Sathyanarayana B.K., Lee B., Pastan I. Gene 337:45-53(2004) [PubMed: 15276201] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS 1 AND 2), VARIANTS ASP-30 AND VAL-43. Tissue: Prostate.
[2]	"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] (ISOFORM 3), VARIANT GLU-286. Tissue: Testis.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AY465170 mRNA. Translation: AAS58869.1. AY465173 mRNA. Translation: AAS58872.1. BC066981 mRNA. Translation: AAH66981.1.
RefSeq	NP_997238.2.
UniGene	Hs.558766
3D structure databases
HSSP	HSSP built from PDB template 1K1B based on UniProtKB P20749.
ModBase	Search...
Genome annotation databases
Ensembl	ENSG00000183206. Homo sapiens. [Contig view]
GeneID	339010.
KEGG	hsa:339010.
Organism-specific databases
H-InvDB	HIX0013605. HIX0019825. HIX0027435. HIX0038118.
HGNC	HGNC:33734. A26B1.
MIM	608912. gene.
GenAtlas	Search...
GeneCards	Search...
Phylogenomic databases
HOVERGEN	Q6S5H4.
Gene expression databases
CleanEx	HS_A26B1.
GermOnline	ENSG00000183206. Homo sapiens.
Family and domain databases
InterPro	IPR002110. ANK. [Graphical view]
Gene3D	G3DSA:1.25.40.20. ANK. 1 hit.
Pfam	PF00023. Ank. 7 hits. [Graphical view]
PRINTS	PR01415. ANKYRIN.
SMART	SM00248. ANK. 6 hits. [Graphical view]
PROSITE	PS50297. ANK_REP_REGION. 1 hit. PS50088. ANK_REPEAT. 5 hits. [Graphical view]
ProDom	Q6S5H4. [Graphical view] [Entries sharing at least one domain]
BLOCKS	Search...
Other Resources
LinkHub	Q6S5H4.
SOURCE	Search...
ProtoNet	Search...

Entry information

Entry name

A26B1_HUMAN

Accession

Primary (citable) accession number: Q6S5H4
Secondary accession number(s): Q6NXN7, Q6S5H7

Entry history

Integrated into UniProtKB/Swiss-Prot:	November 23, 2004
Last sequence update:	July 5, 2004
Last modified:	July 22, 2008
This is version 36 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HPI (Human Proteome Initiative)