integral proteins

(redirected from intrinsic proteins)

in·te·gral pro·teins

proteins that cannot be easily separated from a biomembrane.
Synonym(s): intrinsic proteins

integral

essential component, part of a whole.

integral membrane protein
see membrane proteins.
integral proteins
membrane proteins essential to the structure and function of membranes. See membrane proteins.
References in periodicals archive ?
3% identity with Arabidopsis plasma membrane intrinsic proteins (PIP, Genbank: NP_195236.
According to their sequence homology and sub-cellular location, plant AQPs could be subdivided in four subgroups: plasma membrane intrinsic proteins (PIPs): PIP1, PIP2 and PIP; tonoplast intrinsic proteins (TIPs), which further subdivided into 5 subgroups: a, b, g, d and e-TIP; nodulin 26-like intrinsic proteins (NIPs); small and basic intrinsic proteins (SIPs, further subdivided into 2 subgroups: SIP1 and SIP2); GlpF-like intrinsic proteins (GIPs).
0 with homologous cloning method, according to the sequence of Arabidopsis plasma membrane intrinsic proteins gene (PIP, Genbank: NP_195236.
The major intrinsic proteins (MIPs) are a large superfamily of integral membrane proteins present in all biological systems from Archaea and bacteria to eukaryotes (Engel and Stahlberg, 2002; Zardoya, 2005).
2], through some members of plasma membrane intrinsic proteins (PIPs), Nodulin 26-like intrinsic proteins (NIPs), X-intrinsic proteins (XIPs), and tonoplast intrinsic proteins (TIPs) in plants (Bienert et al.
2+] concentration in the cytoplasm is known to gate both plant plasma membrane intrinsic proteins (PIPs) (Tournaire-Roux et al.
Plant type-1 PIPs (PIP1) and type-6 nodulin intrinsic proteins (NIP6) also display little or no water transport activity when expressed in amphibian oocytes (Chaumont et al.
This includes the PIPs, hybrid intrinsic proteins (HIPs), X intrinsic proteins (XIPs), TIPs, NIPs, GlpF-like intrinsic protein (GIP), and small basic intrinsic proteins (SIPs).
BLAST analysis suggests a connection between TgAQP and plant tonoplast intrinsic proteins (TIPs) (the BLAST ranking based on the Expect (E) value favors TIP by four and eight orders of magnitude over prototypical AQPs from mammals and bacteria; see Pavlovic-Djuranovic et al.
Characterization of Leishmania donovani aquaporins shows presence of subcellular aquaporins similar to tonoplast intrinsic proteins of plants.
A single aquaporin gene encodes a water/glycerol/urea facilitator in Toxoplasma gondii with similarity to plant tonoplast intrinsic proteins.
Drosophila intrinsic proteins (DRIP)-ir become more abundant in response to dehydration and rehydration.

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