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← Primer database

Primer database

PCBP2

poly(rC) binding protein 2

Capra hircus

PublicationZhao et al. 2022

Sequences

Forward (5′→3′)

CGGAGTGATTGAAGGTGGAT

Reverse (5′→3′)

TGAAGATGGCATTAGTGGGT

Amplicon

200 bp

Primer Tm (°C)

ConditionsForwardReverseAverageΔ F/R
qPCR master mix60.960.260.50.8
Primer-BLAST default57.356.556.90.8

qPCR master mix: Owczarzy 2004/2008 · 250 nM primer · 50 mM Na⁺ · 3 mM Mg²⁺ · 0.8 mM dNTP

Primer-BLAST default: SantaLucia 1998 salt corr. · 50 nM primer · 50 mM Na⁺ · 1.5 mM Mg²⁺ · 0.6 mM dNTP

Bold, underlined base = 3′ end (polymerase extension point).

Primer QC

GC% · Forward

50.0%

GC% · Reverse

45.0%

Self-dimer ΔG · Fwd (any position)

-0.2 kcal/mol

Self-dimer ΔG · Fwd (3′ end)

1.2 kcal/mol

Self-dimer ΔG · Rev (any position)

-0.3 kcal/mol

Self-dimer ΔG · Rev (3′ end)

No duplex found

Heterodimer ΔG (F×R, any position)

0.5 kcal/mol

Heterodimer ΔG (F×R, 3′ end)

1.2 kcal/mol

ΔG at 37 °C · SantaLucia 1998 NN parameters · < −6 kcal/mol = significant dimer risk · "3′ end" is restricted to duplexes anchored at a primer's own 3′ terminal base (polymerase-extendable); "any position" is the most stable duplex anywhere in the primer. Estimated screening value. For comprehensive dimer analysis, validate with Primer3.

Source

PMID

36467654(Europe PMC)

Citation

Zhao et al. 2022

Genomic mapping

Ensembl gene

ENSCHIG00000019895 ↗

NCBI Gene ID

102170945

Assembly

ARS1

Cross-check

★ = Ensembl canonical transcript (reference model, not necessarily the most expressed isoform)

Showing: ENSCHIT00000029468 ★

69bp1647bp24bp2143bp33bp3686bp117bp42.2kb132bp51.2kb129bp61.2kb75bp73.1kb42bp81.3kb73bp9596bp39bp101.0kb56bp11951bp170bp126.2kb37bp13FRPredicted from the amplicon's own GC%+length (von Ahsen et al. 2001, at the same qPCR buffer as the primer Tm above: 50 mM Na⁺ plus 3 mM Mg²⁺ less 0.8 mM dNTP, as a sodium equivalent), not the SantaLucia model used for primer Tm, which isn't valid at this length. A screening estimate for ranking amplicons — that relation was fitted on oligonucleotide duplexes, so applying it at amplicon length carries more error than its published ±1.9 °C, and it is not a melt-peak prediction.200 bp amplicon · predicted amplicon Tm 85.4 °C
PCBP2 · ENSCHIT00000029468 · canonical✓ Exon-junction spanning · gDNA-safe (>1.0kb intron)

Off-target specificity

Specific

No paired forward+reverse off-target amplicon found against nt (whole genome/transcriptome). Screen requires >=2 total mismatches including >=2 within the last 5bp at the 3' end to clear a hit (NCBI Primer-BLAST-style stringency); hits with >=6 total mismatches are dropped as implausible.

Mean efficiency · Method unknown

1.934

from 1 measurement

Efficiency measurements

Ideal range:Dilution series 1.90–2.10·LinRegPCR 1.70–1.90·unknown method: not scored
EfficiencyR²MethodSourcePCR mixInstrumentAnnealingn
1.93493.4%
—Literature-reportedMethod not statedPMID 36467654————

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