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Q8IUX1

- T126B_HUMAN

UniProt

Q8IUX1 - T126B_HUMAN

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Protein

Complex I assembly factor TMEM126B, mitochondrial

Gene

TMEM126B

Organism
Homo sapiens (Human)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli

Functioni

Chaperone protein involved in the assembly of the mitochondrial NADH:ubiquinone oxidoreductase complex (complex I). Participates in constructing the membrane arm of complex I.1 Publication

Keywords - Molecular functioni

Chaperone

Names & Taxonomyi

Protein namesi
Recommended name:
Complex I assembly factor TMEM126B, mitochondrial
Alternative name(s):
Transmembrane protein 126B
Gene namesi
ORF Names:HT007
OrganismiHomo sapiens (Human)
Taxonomic identifieri9606 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaeHomo
ProteomesiUP000005640: Chromosome 11

Organism-specific databases

HGNCiHGNC:30883. TMEM126B.

Subcellular locationi

Mitochondrion membrane 1 Publication; Multi-pass membrane protein 1 Publication

GO - Cellular componenti

  1. integral component of membrane Source: UniProtKB-KW
  2. mitochondrion Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Membrane, Mitochondrion

Pathology & Biotechi

Organism-specific databases

PharmGKBiPA143485646.

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 230230Complex I assembly factor TMEM126B, mitochondrialPRO_0000280716Add
BLAST

Proteomic databases

MaxQBiQ8IUX1.
PaxDbiQ8IUX1.
PRIDEiQ8IUX1.

PTM databases

PhosphoSiteiQ8IUX1.

Expressioni

Gene expression databases

BgeeiQ8IUX1.
CleanExiHS_TMEM126B.
ExpressionAtlasiQ8IUX1. baseline and differential.
GenevestigatoriQ8IUX1.

Organism-specific databases

HPAiHPA014480.
HPA019186.

Interactioni

Subunit structurei

Part of the mitochondrial complex I assembly (MCIA) complex. The complex comprises at least TMEM126B, NDUFAF1, ECSIT, and ACAD9 By similarity. Associates with the intermediate 370 kDa subcomplex of incompletely assembled complex I.By similarity1 Publication

Protein-protein interaction databases

BioGridi120965. 13 interactions.
IntActiQ8IUX1. 1 interaction.
STRINGi9606.ENSP00000306710.

Structurei

3D structure databases

ProteinModelPortaliQ8IUX1.
ModBaseiSearch...
MobiDBiSearch...

Transmembrane

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Transmembranei72 – 9221HelicalSequence AnalysisAdd
BLAST
Transmembranei110 – 13021HelicalSequence AnalysisAdd
BLAST
Transmembranei141 – 16121HelicalSequence AnalysisAdd
BLAST
Transmembranei199 – 21921HelicalSequence AnalysisAdd
BLAST

Family & Domainsi

Sequence similaritiesi

Belongs to the TMEM126 family.Curated

Keywords - Domaini

Transmembrane, Transmembrane helix

Phylogenomic databases

eggNOGiNOG41195.
GeneTreeiENSGT00520000055616.
HOGENOMiHOG000013087.
HOVERGENiHBG094016.
InParanoidiQ8IUX1.
KOiK18165.
OMAiDAKLRRP.
OrthoDBiEOG7F513J.
PhylomeDBiQ8IUX1.
TreeFamiTF327069.

Family and domain databases

InterProiIPR009801. DUF1370_TMEM126.
[Graphical view]
PANTHERiPTHR16296. PTHR16296. 1 hit.
PfamiPF07114. DUF1370. 1 hit.
[Graphical view]

Sequences (5)i

Sequence statusi: Complete.

This entry describes 5 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q8IUX1-1) [UniParc]FASTAAdd to Basket

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.

« Hide

        10         20         30         40         50
MVVFGYEAGT KPRDSGVVPV GTEEAPKVFK MAASMHGQPS PSLEDAKLRR
60 70 80 90 100
PMVIEIIEKN FDYLRKEMTQ NIYQMATFGT TAGFSGIFSN FLFRRCFKVK
110 120 130 140 150
HDALKTYASL ATLPFLSTVV TDKLFVIDAL YSDNISKENC VFRSSLIGIV
160 170 180 190 200
CGVFYPSSLA FTKNGRLATK YHTVPLPPKG RVLIHWMTLC QTQMKLMAIP
210 220 230
LVFQIMFGIL NGLYHYAVFE ETLEKTIHEE
Length:230
Mass (Da):25,943
Last modified:March 20, 2007 - v2
Checksum:iB0EB374211C3CF52
GO
Isoform 2 (identifier: Q8IUX1-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-18: Missing.
     19-19: P → MWIQVWMT

Note: No experimental confirmation available.

Show »
Length:219
Mass (Da):25,028
Checksum:iA9DC0A093F4F5415
GO
Isoform 3 (identifier: Q8IUX1-3) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-30: Missing.
     133-140: DNISKENC → GEFKFTNV
     141-230: Missing.

Note: No experimental confirmation available.

Show »
Length:110
Mass (Da):12,517
Checksum:i1215FE57F2EEEC01
GO
Isoform 4 (identifier: Q8IUX1-4) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     171-230: Missing.

Note: No experimental confirmation available.

Show »
Length:170
Mass (Da):18,890
Checksum:i4C672BB8E265A167
GO
Isoform 5 (identifier: Q8IUX1-5) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     1-30: Missing.

Show »
Length:200
Mass (Da):22,766
Checksum:iF87140CC9A249FD1
GO

Sequence cautioni

The sequence AAI07901.1 differs from that shown. Reason: Frameshift at position 59.

Natural variant

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Natural varianti198 – 1981A → V.1 Publication
Corresponds to variant rs17850847 [ dbSNP | Ensembl ].
VAR_031188

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei1 – 3030Missing in isoform 3 and isoform 5. 2 PublicationsVSP_023870Add
BLAST
Alternative sequencei1 – 1818Missing in isoform 2. 1 PublicationVSP_023871Add
BLAST
Alternative sequencei19 – 191P → MWIQVWMT in isoform 2. 1 PublicationVSP_023872
Alternative sequencei133 – 1408DNISKENC → GEFKFTNV in isoform 3. 1 PublicationVSP_023873
Alternative sequencei141 – 23090Missing in isoform 3. 1 PublicationVSP_023874Add
BLAST
Alternative sequencei171 – 23060Missing in isoform 4. 1 PublicationVSP_023875Add
BLAST

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF220193 mRNA. Translation: AAF67658.1.
CR612738 mRNA. No translation available.
AK291150 mRNA. Translation: BAF83839.1.
AP000642 Genomic DNA. No translation available.
CH471076 Genomic DNA. Translation: EAW75098.1.
BC012065 mRNA. Translation: AAH12065.1.
BC017574 mRNA. Translation: AAH17574.1.
BC038933 mRNA. Translation: AAH38933.1.
BC107900 mRNA. Translation: AAI07901.1. Frameshift.
CCDSiCCDS53686.1. [Q8IUX1-5]
CCDS8267.2. [Q8IUX1-1]
RefSeqiNP_001180467.1. NM_001193538.2. [Q8IUX1-5]
NP_001243475.1. NM_001256546.1. [Q8IUX1-5]
NP_060950.3. NM_018480.4. [Q8IUX1-1]
UniGeneiHs.525063.

Genome annotation databases

EnsembliENST00000358867; ENSP00000351737; ENSG00000171204. [Q8IUX1-1]
ENST00000393375; ENSP00000377039; ENSG00000171204. [Q8IUX1-5]
ENST00000534341; ENSP00000433471; ENSG00000171204. [Q8IUX1-4]
GeneIDi55863.
KEGGihsa:55863.
UCSCiuc001pan.3. human. [Q8IUX1-3]
uc001pao.4. human. [Q8IUX1-1]

Polymorphism databases

DMDMi134035041.

Keywords - Coding sequence diversityi

Alternative splicing, Polymorphism

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF220193 mRNA. Translation: AAF67658.1 .
CR612738 mRNA. No translation available.
AK291150 mRNA. Translation: BAF83839.1 .
AP000642 Genomic DNA. No translation available.
CH471076 Genomic DNA. Translation: EAW75098.1 .
BC012065 mRNA. Translation: AAH12065.1 .
BC017574 mRNA. Translation: AAH17574.1 .
BC038933 mRNA. Translation: AAH38933.1 .
BC107900 mRNA. Translation: AAI07901.1 . Frameshift.
CCDSi CCDS53686.1. [Q8IUX1-5 ]
CCDS8267.2. [Q8IUX1-1 ]
RefSeqi NP_001180467.1. NM_001193538.2. [Q8IUX1-5 ]
NP_001243475.1. NM_001256546.1. [Q8IUX1-5 ]
NP_060950.3. NM_018480.4. [Q8IUX1-1 ]
UniGenei Hs.525063.

3D structure databases

ProteinModelPortali Q8IUX1.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

BioGridi 120965. 13 interactions.
IntActi Q8IUX1. 1 interaction.
STRINGi 9606.ENSP00000306710.

PTM databases

PhosphoSitei Q8IUX1.

Polymorphism databases

DMDMi 134035041.

Proteomic databases

MaxQBi Q8IUX1.
PaxDbi Q8IUX1.
PRIDEi Q8IUX1.

Protocols and materials databases

DNASUi 55863.
Structural Biology Knowledgebase Search...

Genome annotation databases

Ensembli ENST00000358867 ; ENSP00000351737 ; ENSG00000171204 . [Q8IUX1-1 ]
ENST00000393375 ; ENSP00000377039 ; ENSG00000171204 . [Q8IUX1-5 ]
ENST00000534341 ; ENSP00000433471 ; ENSG00000171204 . [Q8IUX1-4 ]
GeneIDi 55863.
KEGGi hsa:55863.
UCSCi uc001pan.3. human. [Q8IUX1-3 ]
uc001pao.4. human. [Q8IUX1-1 ]

Organism-specific databases

CTDi 55863.
GeneCardsi GC11P085339.
HGNCi HGNC:30883. TMEM126B.
HPAi HPA014480.
HPA019186.
MIMi 615533. gene.
neXtProti NX_Q8IUX1.
PharmGKBi PA143485646.
GenAtlasi Search...

Phylogenomic databases

eggNOGi NOG41195.
GeneTreei ENSGT00520000055616.
HOGENOMi HOG000013087.
HOVERGENi HBG094016.
InParanoidi Q8IUX1.
KOi K18165.
OMAi DAKLRRP.
OrthoDBi EOG7F513J.
PhylomeDBi Q8IUX1.
TreeFami TF327069.

Miscellaneous databases

ChiTaRSi TMEM126B. human.
GeneWikii TMEM126B.
GenomeRNAii 55863.
NextBioi 61173.
PROi Q8IUX1.
SOURCEi Search...

Gene expression databases

Bgeei Q8IUX1.
CleanExi HS_TMEM126B.
ExpressionAtlasi Q8IUX1. baseline and differential.
Genevestigatori Q8IUX1.

Family and domain databases

InterProi IPR009801. DUF1370_TMEM126.
[Graphical view ]
PANTHERi PTHR16296. PTHR16296. 1 hit.
Pfami PF07114. DUF1370. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 2).
    Tissue: Hypothalamus.
  2. "Full-length cDNA libraries and normalization."
    Li W.B., Gruber C., Jessee J., Polayes D.
    Submitted (FEB-2003) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
    Tissue: Cervix carcinoma.
  3. "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] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 5).
  4. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  5. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
  6. "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] (ISOFORMS 3; 4 AND 5), VARIANT VAL-198.
    Tissue: B-cell, Blood vessel and Brain.
  7. Cited for: FUNCTION, SUBCELLULAR LOCATION, SUBUNIT.

Entry informationi

Entry nameiT126B_HUMAN
AccessioniPrimary (citable) accession number: Q8IUX1
Secondary accession number(s): A8K535
, A8MSS0, Q32Q09, Q8WVU3, Q96EP3, Q9NZ29
Entry historyi
Integrated into UniProtKB/Swiss-Prot: March 20, 2007
Last sequence update: March 20, 2007
Last modified: October 29, 2014
This is version 83 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (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.

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Human chromosome 11
    Human chromosome 11: entries, gene names and cross-references to MIM
  2. Human entries with polymorphisms or disease mutations
    List of human entries with polymorphisms or disease mutations
  3. Human polymorphisms and disease mutations
    Index of human polymorphisms and disease mutations
  4. MIM cross-references
    Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot
  5. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3