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Custom Gene Synthesis Services


Gesncript Inc. (USA) is one of the pioneering custom DNA synthesis companies and the largest custom gene synthesis supplier in US, it has synthesized over 100,000 genes and constructs for customers around the world. Over the years, GenScript has fine-tuned and empowered its Gene-on-Demand® technology platform, which brings together proprietary OptimumGene™ codon optimization technology and CloneEZ® seamless cloning technology for the synthesis of GC-rich and extremely long genes. This has allowed GenScript to offer its customers with the most challenging genes in any vector. Our ever increasing capacity (over 4.5 million bp/month) and proprietary technologies enable us to deliver custom de novo genes with any length and any complexity.

By ordering genes from GenScript through us, you will receive a tailored service on top of saving both time and money compared to traditional cloning.



  • Free codon optimization - Proprietary OptimumGene™ codon optimization technology can comprehensively optimize DNA sequences to significantly increase protein expression in any host.
  • Any gene in any vector - CloneEZ® seamless cloning technology can accurately and efficiently fuse your gene into any site on any vector in less than 30 minutes.
  • Guaranteed sequence - Proprietary Gene-on-Demand® custom gene synthesis platform to enable mutation-free DNA synthesis for genes of any length and any complexity.
  • CloneReady™ Gene Collection - CloneReady™ Gene Collection covers over 120,000 popular genes at most competitive price.
  • One-stop solutions - Comprehensive downstream services can save your time on material transfer.
  • Cost effective - Ease your budget crunch with competitive prices supported by economy-of-scale.


Delivery Specifications

  • 4 μg of lyophilized plasmid containing your gene insert
  • Sequence chromatograms covering your gene (electronic)
  • Construct map for the plasmid (electronic)
  • Quality assurance certificate


The custom synthesized genes from Genscript Inc. (USA) are supplied in India through Pro Lab. For inquiries & orders regarding Custom gene synthesis services India, please contact us at