Journal profile · Biochemistry & Molecular Biology

Molecular Systems Biology

ISSN 1744-4292 · Wiley-Blackwell · UNITED STATES · Monthly · Founded 2005

Molecular Systems Biology: CAS Zone 1 · Biology (2025 upgraded edition, Top journal); impact factor 6.73; fully open access; APC about USD 8,270; median 164 days to acceptance (96 articles, last 24 months); community-reported acceptance: hard; 99 articles in 2025; indexed in SCIE and Scopus.

Impact factor6.73Latest value listed by LetPub
CAS zoneZone 1 · Biology2025 upgraded edition, major category · Top journal · 2026 Xinrui edition Zone 1 · Biology
Review time164 daysMedian, submission to acceptance · 96 articles, last 24 months · Crossref
APCUSD 8,270Fully open access
AcceptanceHardCommunity average
Articles per year992025 · OpenAlex count

Scope

Aims, scope and focus

Molecular Systems Biology is published by Wiley-Blackwell and is in Zone 1 of Biology in the CAS Journal Ranking (2025 upgraded edition, Top journal). By OpenAlex counts of its recent articles, its largest topics are Gene Regulatory Network Analysis, Bioinformatics and Genomic Networks and Microbial Metabolic Engineering and Bioproduction, together about 30% of its articles. Its main subfields are Molecular Biology. (generated from OpenAlex topic counts and CAS ranking data)

Molecular Systems Biology publishes leading research in the fields of systems biology, synthetic biology and systems medicine. The editors select manuscripts based on their novelty and wide biological significance with an emphasis on understanding the dynamic and complex nature of living systems. Reports of new methods and resources are also considered. Submissions with authoritative referee reports from Review Commons or other journals are welcome and will be considered, where possible, without additional review. Topics falling within the scope of the journal include, but are not limited to: AI (Artificial Intelligence) Biotechnology and Biomedical engineering Computational biology and Modeling Evolution and Ecology Functional genomics and Gene regulation Imaging Metabolism and Metabolomics Microbiome and Meta-genomics Network biology Protein science and Proteomics Synthetic biology Systems genetics Systems medicine The journal publishes research papers as full-length Articles, short Reports, and Methods. In addition, the journal publishes Reviews, Perspectives, and Comments that target a broad and non-specialised audience, as well as News & Views, Correspondence and Editorials. All content is open access immediately on publication.

From the journal's Aims & Scope

Research area (LetPub): Biochemistry & Molecular Biology

Editor-in-chief M. MadanPublisher website

Editorial board by country: 7 in mainland China (about 6%); most named United States 47, Germany 21, Switzerland 11, United Kingdom 9, Mainland China 7 (123 members with a country) Editorial board ↗Publisher website ·

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Gene Regulatory Network AnalysisBiochemistry, Genetics and Molecular Biology12%
  2. Bioinformatics and Genomic NetworksBiochemistry, Genetics and Molecular Biology10.6%
  3. Microbial Metabolic Engineering and BioproductionBiochemistry, Genetics and Molecular Biology7.4%
  4. RNA and protein synthesis mechanismsBiochemistry, Genetics and Molecular Biology6.9%
  5. Genomics and Chromatin DynamicsBiochemistry, Genetics and Molecular Biology5.7%
  6. CRISPR and Genetic EngineeringBiochemistry, Genetics and Molecular Biology5.4%
  7. Bacterial Genetics and BiotechnologyBiochemistry, Genetics and Molecular Biology4.8%
  8. Single-cell and spatial transcriptomicsBiochemistry, Genetics and Molecular Biology4.6%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Biology Zone 1
LevelCategoryZone
MajorBiologyZone 1
MinorBiochemistry & Molecular BiologyZone 1

Top journal: yesReview journal: no

CAS Xinrui Journal Ranking (March 2026)Biology Zone 1
LevelCategoryZone
MajorBiologyZone 1
MinorBiochemistry & Molecular BiologyZone 2

Top journal: yesReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Biology Zone 1
LevelCategoryZone
MajorBiologyZone 1
MinorBiochemistry & Molecular BiologyZone 2

Top journal: noReview journal: no

Database indexing

SCIEScopusDOAJLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

MEDLINEEmbaseCASCurrent ContentsPublisher website

Other: Google Scholar, EBSCO, ProQuest, Dimensions, CNKI, Baidu, Naver, OCLC, Portico, CLOCKSS

As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.

Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.

Metrics

Impact metrics and publication volume

Impact

Impact factor
6.73LetPub ·
CiteScore 2026-06
11.7LetPub ·
SJR 2026-06
4.23LetPub ·
SNIP 2026-06
1.51LetPub ·
h-index
127LetPub ·
h-index
219OpenAlex ·
i10-index
1,342OpenAlex ·
2-year mean citedness
7.64OpenAlex ·
Self-citation rate
1.5%LetPub ·
Share of gold OA articles
100%LetPub ·

Volume

Articles per year
85LetPub ·
Downloads per year (publisher) 2025
1,300,000Publisher website ·

Articles by year OpenAlex count · 1,672 in total · the current year is incomplete

YearArticlesOpen accessCitations
20266969101
20259999611
202475751,144
202360601,955
202268682,840
202190906,300

Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.

Review & acceptance

Review time and acceptance

Review time from article dates manuscript dates registered with Crossref · to

164 daysMedian, submission to acceptance · P25–P75 105 days – 208 days

Acceptance to online
median 21 days (96 articles)
Submission to online
median 189 days
Sample
96 articles with submission and acceptance dates (183 in the window); the latest was accepted on

Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".

Other sources

Average review time (community reports)
6–12 weeksLetPub ·
Average acceptance (community reports)
HardLetPub ·
Submission to first decision
3 daysPublisher website ·
Submission to publication (journal-reported)
about 26 weeksDOAJ ·
Peer review
Double anonymous peer review, Single anonymous peer reviewDOAJ

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Fully open accessDOAJ

Every article is open access; authors usually pay an article processing charge (APC).

SourceAPCFee waiverLicenseObserved
DOAJEUR 7,028 / USD 8,270 / GBP 5,990YesCC BY, CC0
OpenAlexUSD 7,990 / EUR 6,790 / GBP 5,790——
LetPubUSD 6,890 / GBP 5,590 / EUR 6,490Yes—

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Submission

Article types and submission policies (journal website)

What to prepare1 items from the author guidelines
Cover letter
Required
Publisher website · model-extracted, each line checked against the text

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
Wiley-Blackwell
Country or region
UNITED STATES
Language
English
Frequency
Monthly
Founded
2005
ISSN
1744-4292
Latest issue on the website
Volume 22, Issue 9 (September 2026)
Official links

FAQ

Frequently asked questions about Molecular Systems Biology

What CAS zone is Molecular Systems Biology in?

In the 2025 upgraded edition of the CAS Journal Ranking, Molecular Systems Biology is in Zone 1 of Biology, and in Zone 1 of the minor category Biochemistry & Molecular Biology; it is a Top journal. In the 2026 Xinrui edition it is in Zone 1 of Biology. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Molecular Systems Biology?

The latest impact factor listed by LetPub is 6.73; CiteScore 11.7, h-index 219.

How long does peer review take at Molecular Systems Biology?

Based on the dates recorded on 96 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 164 days (interquartile range 105–208 days); authors report an average review time of 6–12 weeks; the community-reported acceptance is “Hard”. Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

Where are the editorial board members of Molecular Systems Biology based?

Of the 123 board members whose country the journal's board page names, 7 (about 6%) are in mainland China; the countries named most often are United States (47), Germany (21) and Switzerland (11). Counted from the institutions listed on the board page; for reference only.

Which databases index Molecular Systems Biology?

According to LetPub and DOAJ records, Molecular Systems Biology is indexed in SCIE, Scopus and DOAJ. The journal's website also lists MEDLINE, Embase, CAS and Current Contents; that list has not been checked against each database.

Is Molecular Systems Biology open access, and what is the APC?

Molecular Systems Biology is a fully open-access journal. APC about USD 8,270.

Sources and updates

The facts on this page come from LetPub, OpenAlex, DOAJ, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-25). Last updated: .