Journal of Biological Chemistry Impact Factor 2026: Ranking, Quartile & What It Means

The Journal of Biological Chemistry has an impact factor of 3.9 in 2024, based on Clarivate's Journal Citation Reports. The five-year impact factor is 4.3.

The latest official data available in 2026 is the 2024 JCR release, published June 2025.

JIF Summary Table

Source: Clarivate JCR 2024.

IF Trend

JBC held a five-year stretch at 5.0-5.1 from 2020-2022, then dropped sharply to 4.0 in 2023 and 3.9 in 2024. The IF peak coincided with pandemic-era citations in metabolism and cell biology research. The current range is likely closer to JBC's equilibrium given its post-open-access citation base.

What Happened to JBC's Impact Factor

JBC was historically one of the most cited journals in biochemistry, with IFs above 7 in the 2000s. The decline reflects several converging factors:

The open-access transition. JBC moved to full gold open access in 2021. The transition redistributed some authors to other venues — some who previously defaulted to JBC now choose journals where their institution has OA agreements. Open-access transitions often temporarily depress IF as author behavior adjusts.

Competition from specialty journals. The biochemistry space has fragmented. Journals like eLife, Cell Chemical Biology, Structure, and PNAS absorb work that would previously have ended up in JBC. Higher-IF generalist journals (Molecular Cell, Nature Chemical Biology) compete for top mechanistic work.

Citation dilution. As the overall scientific literature grows and more journals enter the field, any single journal's share of total citations is smaller. This affects high-volume journals like JBC proportionally more.

Field Context

JBC at 3.9 sits in Q2 alongside FEBS Journal (IF 4.5) and above Biochemistry (IF 2.7). For foundational biochemistry work, it remains a stronger venue than Biochemistry or Archives, and competes with FEBS Journal for solid mechanistic papers that aren't at the Molecular Cell bar.

What JBC Still Does Well

Despite the IF decline, JBC maintains genuine strengths:

Rigorous peer review. ASBMB's editorial oversight means JBC still demands mechanistic data, not just descriptive biochemistry. The reviewers are practicing biochemists who know what's missing.

Century-long reputation. In biochemistry circles, a JBC paper still carries weight with senior scientists who know the journal's history. This matters less each year as citation-based metrics dominate evaluation, but it's not irrelevant.

Scope match. JBC is appropriate for enzyme kinetics, protein folding and stability, lipid metabolism, post-translational modifications, and metabolic pathway biochemistry. Papers at this level of molecular detail often don't fit higher-IF journals looking for broader biological significance.

Who Should Submit to JBC

JBC is appropriate for:

• Mechanistic biochemistry work with strong in-vitro data on enzyme or protein function
• Studies of metabolic pathways, post-translational modifications, or membrane biochemistry
• Rigorous structural biochemistry paired with functional analysis
• Work that sits between what Cell Chemical Biology wants (chemical novelty) and what PNAS wants (broad significance)

It's less appropriate for:

• Work with strong cell biology or systems components that would fit eLife or Molecular Cell
• Pure structural biology (prefer Structure or Nature Structural & Molecular Biology)
• Work that could plausibly reach Q1 journals with minor framing adjustments

Sources

• Clarivate Analytics, Journal Citation Reports 2024 (JIF 3.9, 5-Year JIF 4.3)
• Elsevier / American Society for Biochemistry and Molecular Biology, JBC author guidelines