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Protein

Fatty acid-binding protein, intestinal

Gene

FABP2

Organism
Bos taurus (Bovine)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at transcript leveli

Functioni

FABP are thought to play a role in the intracellular transport of long-chain fatty acids and their acyl-CoA esters. FABP2 is probably involved in triglyceride-rich lipoprotein synthesis. Binds saturated long-chain fatty acids with a high affinity, but binds with a lower affinity to unsaturated long-chain fatty acids. FABP2 may also help maintain energy homeostasis by functioning as a lipid sensor (By similarity).By similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei83 – 831Fatty acidBy similarity
Binding sitei107 – 1071Fatty acidBy similarity

GO - Molecular functioni

Complete GO annotation...

Keywords - Biological processi

Transport

Keywords - Ligandi

Lipid-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Fatty acid-binding protein, intestinal
Alternative name(s):
Fatty acid-binding protein 2
Intestinal-type fatty acid-binding protein
Short name:
I-FABP
Gene namesi
Name:FABP2
Synonyms:FABPI
OrganismiBos taurus (Bovine)
Taxonomic identifieri9913 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaLaurasiatheriaCetartiodactylaRuminantiaPecoraBovidaeBovinaeBos
Proteomesi
  • UP000009136 Componenti: Unplaced

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methionineiRemovedBy similarity
Chaini2 – 132131Fatty acid-binding protein, intestinalPRO_0000236273Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei2 – 21N-acetylalanineBy similarity

Keywords - PTMi

Acetylation

Structurei

3D structure databases

ProteinModelPortaliQ56JX9.
SMRiQ56JX9. Positions 2-132.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domaini

Forms a beta-barrel structure that accommodates the hydrophobic ligand in its interior.By similarity

Sequence similaritiesi

Phylogenomic databases

HOGENOMiHOG000004829.
HOVERGENiHBG005633.
InParanoidiQ56JX9.
KOiK08751.

Family and domain databases

Gene3Di2.40.128.20. 1 hit.
InterProiIPR012674. Calycin.
IPR011038. Calycin-like.
IPR031272. FABP2.
IPR000463. Fatty_acid-bd.
IPR031259. iLBP.
IPR000566. Lipocln_cytosolic_FA-bd_dom.
[Graphical view]
PANTHERiPTHR11955. PTHR11955. 1 hit.
PTHR11955:SF89. PTHR11955:SF89. 1 hit.
PfamiPF00061. Lipocalin. 1 hit.
[Graphical view]
PRINTSiPR00178. FATTYACIDBP.
SUPFAMiSSF50814. SSF50814. 1 hit.
PROSITEiPS00214. FABP. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q56JX9-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MAFDGTWKVD RNENYEKFME KMGINVVKRK LAAHDNLKLI ITQEGNKFTV
60 70 80 90 100
KESSTFRSIE IIFELGVTFN YSLADGTELS GAWALEGDKL VGKFKRLDNG
110 120 130
NALNTVREII GGEMVQTYTY EGVEAKRIFK KE
Length:132
Mass (Da):15,036
Last modified:January 23, 2007 - v3
Checksum:i282112D7A885BF68
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AY911349 mRNA. Translation: AAW82116.1.
RefSeqiNP_001020503.1. NM_001025332.1.
UniGeneiBt.9882.

Genome annotation databases

GeneIDi515768.
KEGGibta:515768.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AY911349 mRNA. Translation: AAW82116.1.
RefSeqiNP_001020503.1. NM_001025332.1.
UniGeneiBt.9882.

3D structure databases

ProteinModelPortaliQ56JX9.
SMRiQ56JX9. Positions 2-132.
ModBaseiSearch...
MobiDBiSearch...

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi515768.
KEGGibta:515768.

Organism-specific databases

CTDi2169.

Phylogenomic databases

HOGENOMiHOG000004829.
HOVERGENiHBG005633.
InParanoidiQ56JX9.
KOiK08751.

Family and domain databases

Gene3Di2.40.128.20. 1 hit.
InterProiIPR012674. Calycin.
IPR011038. Calycin-like.
IPR031272. FABP2.
IPR000463. Fatty_acid-bd.
IPR031259. iLBP.
IPR000566. Lipocln_cytosolic_FA-bd_dom.
[Graphical view]
PANTHERiPTHR11955. PTHR11955. 1 hit.
PTHR11955:SF89. PTHR11955:SF89. 1 hit.
PfamiPF00061. Lipocalin. 1 hit.
[Graphical view]
PRINTSiPR00178. FATTYACIDBP.
SUPFAMiSSF50814. SSF50814. 1 hit.
PROSITEiPS00214. FABP. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiFABPI_BOVIN
AccessioniPrimary (citable) accession number: Q56JX9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 30, 2006
Last sequence update: January 23, 2007
Last modified: June 8, 2016
This is version 69 of the entry and version 3 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.