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IPR011335 is a Restriction endonuclease type II-like.
<p>This superfamily represents the core structure found in most type II restriction endonucleases, consisting of a 3-layer α/β/α topology with mixed β-sheets. This core structure can be found in the restriction endonucleases EcoRI, EcoRV, BamHI, BglI, BglII, BstyI, PvuII, MunI, NseI, NgoIV, BsobI, HincII, MspI, FokI (C-terminal), EcoO109IR, as well as in lamba exonuclease, DNA mismatch repair protein MutH, VSR (very short repair) endonucleases, TnsA endonucleases (N-terminal), endonucleases I (Holliday junction resolvase), Hjc-like enzymes, XPF/Rad1/Mus81 nucleases, RecB and RecC exodeoxyribonuclease V (C-terminal), and RecU-like enzymes.</p> <p>Type II restriction endonucleases ([ec:3.1.21.4]) are components of prokaryotic DNA restriction-modification mechanisms that protect the organism against invading foreign DNA. These site-specific deoxyribonucleases catalyse the endonucleolytic cleavage of DNA to give specific double-stranded fragments with terminal 5'-phosphates. Of the 3000 restriction endonucleases that have been characterised, most are homodimeric or tetrameric enzymes that cleave target DNA at sequence-specific sites close to the recognition site. For homodimeric enzymes, the recognition site is usually a palindromic sequence 4-8 bp in length. Most enzymes require magnesium ions as a cofactor for catalysis. Although they can vary in their mode of recognition, many restriction endonucleases share a similar structural core comprising four β-strands and one α-helix, as well as a similar mechanism of cleavage, suggesting a common ancestral origin [[cite:PUB00035691]]. However, there is still considerable diversity amongst restriction endonucleases [[cite:PUB00035692], [cite:PUB00035693]]. The target site recognition process triggers large conformational changes of the enzyme and the target DNA, leading to the activation of the catalytic centres. Like other DNA binding proteins, restriction enzymes are capable of non-specific DNA binding as well, which is the prerequisite for efficient target site location by facilitated diffusion. Non-specific binding usually does not involve interactions with the bases but only with the DNA backbone [[cite:PUB00035694]].</p>
This description is obtained from EB-eye REST.
Transcript | Name | Description | Predicted domains | Domain count |
---|---|---|---|---|
– | PREDICTED: DNA repair endonuclease UVH1-like [Glycine max] gi|356541275|ref|XP_003539104.1| | 12 | ||
– | DNA repair endonuclease UVH1 [Medicago truncatula] gi|357482211|ref|XP_003611391.1| | 12 | ||
– | PREDICTED: crossover junction endonuclease MUS81-like [Cicer arietinum] gi|502165003|ref|XP_004513369.1| | 11 | ||
– | Restriction endonuclease [Theobroma cacao] gi|508708917|gb|EOY00814.1| | 8 | ||
– | DNA-directed RNA polymerase subunit beta' [Theobroma cacao] gi|508718325|gb|EOY10222.1| | 8 | ||
– | DNA repair endonuclease UVH1-like protein; TAIR: AT5G41150.1 Restriction endonuclease, type II-like superfamily protein; Swiss-Prot: sp|Q9LKI5|XPF_ARATH DNA repair endonuclease UVH1; TrEMBL-Plants: tr|K7LMX6|K7LMX6_SOYBN Uncharacterized protein; Found in the gene: LotjaGi2g1v0418900 | 12 | ||
– | Crossover junction endonuclease MUS81-like protein; TAIR: AT4G30870.1 Restriction endonuclease, type II-like superfamily protein; Swiss-Prot: sp|Q5W9E7|MUS81_ARATH Crossover junction endonuclease MUS81; TrEMBL-Plants: tr|G7J1L2|G7J1L2_MEDTR Crossover junction endonuclease MUS81-like protein; Found in the gene: LotjaGi3g1v0115900 | 10 | ||
– | Type II-like restriction endonuclease, putative; TAIR: AT1G67660.2 Restriction endonuclease, type II-like superfamily protein; Swiss-Prot: sp|Q5UQV1|YR354_MIMIV Uncharacterized protein R354; TrEMBL-Plants: tr|A0A151SDV5|A0A151SDV5_CAJCA Uncharacterized protein; Found in the gene: LotjaGi4g1v0363500 | 9 | ||
– | DNA ligase-like protein; TAIR: AT3G05210.1 nucleotide repair protein; Swiss-Prot: sp|Q9MA98|ERCC1_ARATH DNA excision repair protein ERCC-1; TrEMBL-Plants: tr|K7LJM3|K7LJM3_SOYBN Uncharacterized protein; Found in the gene: LotjaGi5g1v0219300 | 11 | ||
– | DNA ligase-like protein; TAIR: AT3G05210.1 nucleotide repair protein; Swiss-Prot: sp|Q9MA98|ERCC1_ARATH DNA excision repair protein ERCC-1; TrEMBL-Plants: tr|K7LJM3|K7LJM3_SOYBN Uncharacterized protein; Found in the gene: LotjaGi5g1v0219300 | 11 | ||
– | Restriction endonuclease, type II-like protein; TAIR: AT1G13810.1 Restriction endonuclease, type II-like superfamily protein; Swiss-Prot: sp|P45907|YQAJ_BACSU Uncharacterized protein YqaJ; TrEMBL-Plants: tr|A0A0B2S6R4|A0A0B2S6R4_GLYSO Uncharacterized protein; Found in the gene: LotjaGi6g1v0246400 | 10 |
A list of co-occurring predicted domains within the L. japonicus gene space:
Predicted domain | Source | Observations | Saturation (%) |
---|---|---|---|
TIGR03033 | TIGRFAM | 1 | 9.09 |