Newsletter 535 (July 21, 2025) NIH Structural Biology Methods SIG

 

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JUNE 2025 PUBLICATIONS BY MEMBERS OF THE GROUP

 

1: Dharavath S, Song H, Ji X. 

Unraveling the mechanism of RNA duplex unwinding by DEAD-box helicase DDX3X: Insights into Cooperativity and roles of protomers. 

Biochem Biophys Res Commun. 2025 Jun 13;777:152206. doi: 10.1016/j.bbrc.2025.152206. Epub ahead of print. 

PMID: 40578281.

 

2: Lu X, Myint W, Muli CS, Larion M, Matsuo H, Walters KJ. 

NMR in the age of modern biomedical research and drug discovery. 

J Mol Biol. 2025 Jun 23:169302. doi: 10.1016/j.jmb.2025.169302. Epub ahead of print. 

PMID: 40562354.

 

3: Jones CP, Ferré-D'Amaré AR. 

Crystallographic and cryoEM analyses reveal SARS- CoV-2 SL5 is a mobile T-shaped four-way junction with deep pockets. 

RNA. 2025 Jun 16;31(7):949-960. doi: 10.1261/rna.080413.125. 

PMID: 40527531; PMCID: PMC12170182.

 

4: Morris DJ, Gorman J, Zhou T, Lora J, Connell AJ, Li H, Liu W, Roark RS, Campion MS, Carey JW, Habib R, Li Y, Martella CL, Park Y, Singh A, Sowers KJ, Teng IT, Wang S, Chohan N, Ding W, Lauer C, Lewis E, Mason RD, Rando JM, Peyton L, Schramm CA, Wagh K, Korber B, Seaman MS, Douek DC, Haynes BF, Kulp DW, Roederer M, Hahn BH, Kwong PD, Shaw GM. 

Transient glycan shield reduction induces CD4-binding site broadly neutralizing antibodies in SHIV-infected macaques.

Cell Rep. 2025 Jun 24;44(6):115848. doi: 10.1016/j.celrep.2025.115848. Epub 2025 Jun 13. 

PMID: 40516049.

 

5: Simanshu DK, Xu R, Stice JP, Czyzyk DJ, Feng S, Denson JP, Riegler E, Yang Y, Zhang C, Donovan S, Smith BP, Abreu-Blanco M, Chen M, Feng C, Fu L, Rabara D, Young LC, Dyba M, Yan W, Lin K, Ghorbanpoorvalukolaie S, Larsen EK, Malik W, Champagne A, Parker K, Ju JH, Jeknic S, Esposito D, Turner DM, Lightstone FC, Wang B, Wehn PM, Wang K, Stephen AG, Maciag AE, Hata AN, Sinkevicius KW, Nissley DV, Wallace EM, McCormick F, Beltran PJ. 

BBO-10203 inhibits tumor growth without inducing hyperglycemia by blocking RAS-PI3Kα interaction. 

Science. 2025 Jun 12:eadq2004. doi: 10.1126/science.adq2004. Epub ahead of print. 

PMID: 40504949.

 

6: Witt KC, Dziulko A, An J, Pekovic F, Cheng AX, Liu GY, Lee OV, Turner DJ, Lari A, Gaidt MM, Chavez R, Fattinger SA, Abraham P, Dhaliwal H, Lee AY, Kotov DI, Coscoy L, Glaunsinger BA, Valkov E, Chuong EB, Vance RE.

SP140-RESIST pathway regulates interferon mRNA stability and antiviral immunity.

Nature. 2025 Jun 11. doi: 10.1038/s41586-025-09152-2. Epub ahead of print. 

PMID: 40500448.

 

7: Liu L, Li J, Cisneros-Aguirre M, Merkell A, Stark JM, Gellert M, Yang W.

Dynamic assemblies and coordinated reactions of non-homologous end joining.

Nature. 2025 Jun 11. doi: 10.1038/s41586-025-09078-9. Epub ahead of print. 

PMID: 40500445.

 

8: Tugarinov V, Torricella F, Ghosh S, Clore GM. 

Modeling Protein Aggregation Kinetics from NMR Data. 

J Mol Biol. 2025 Jun 9:169269. doi: 10.1016/j.jmb.2025.169269. Epub ahead of print. 

PMID: 40499748.

 

9: Du L, Wilson BAP, Moore WJ, Dalilian M, Shenoy SR, Li N, Martinez Fiesco JA, Hwang JY, Smith EA, Wamiru A, Goncharova EI, Alvarez de la Cruz A, Pagadala K, Piswa HK, Patteti V, Jampana VP, Manepalli P, Nimmala R, Marri NR, Gunuguntla M, Reddy JJ, Schneekloth JS Jr, Zhang P, O'Keefe BR. 

Chemical Evolution of Aplithianine Class of Serine/Threonine Kinase Inhibitors. 

J Med Chem. 2025 Jun 26;68(12):12756-12785. doi: 10.1021/acs.jmedchem.5c00649. Epub 2025 Jun 6. 

PMID: 40476486.

 

10: Alexander P, Chan AH, Rabara D, Swain M, Larsen EK, Dyba M, Chertov O, Ashraf M, Champagne A, Lin K, Maciag A, Gillette WK, Nissley DV, McCormick F, Simanshu DK, Stephen AG. 

Biophysical and structural analysis of KRAS switch-II pocket inhibitors reveals allele-specific binding constraints.

J Biol Chem. 2025 Jun 3:110331. doi: 10.1016/j.jbc.2025.110331. Epub ahead of print. 

PMID: 40473215.

 

11: Cheng J, Krug PW, Lei H, Moss DL, Lang ZC, Morton AJ, Shen CH, Pletnev S, Huang RK, Pierson TC, Zhou T, Ruckwardt TJ, Kwong PD. 

Structural insights from vaccine candidates for EV-D68. 

Commun Biol. 2025 Jun 4;8(1):860. doi: 10.1038/s42003-025-08253-y. 

PMID: 40467847; PMCID: PMC12137623.

 

 

12: Matsuda K, Harrison M, Wettstein E, Pederson J, Pullano AA, Bolkhovitinov L, Kim B, Steinberg I, Griesman T, Stuccio S, Rogan D, Patamawenu A, Shofner T, Wright NE, Webber JD, Van't Veer F, Roenicke R, Koory E,

Roeder PM, Ober E, Leach B, Tsybovsky Y, Stephens T, Del Moral-Sanchez I, Bontjer I, McGinnes-Cullen LW, Chu E, Liang J, Torres JL, Lin RN, Tran AS, Dziubla G, Serebryannyy L, Narpala S, Lin B, Castro M, Ozorowski G, Ward AB, Sanders RW, Kwong PD, Guenaga J, Wyatt R, Morrison T, Connors M. 

Antigen persistence and TLR stimulation contribute to induction of a durable HIV-1-specific neutralizing antibody response. 

Nat Commun. 2025 Jun 3;16(1):5162. doi: 10.1038/s41467-025-60481-2. 

PMID: 40461490; PMCID: PMC12134134.

 

 

For timely listing, please send a heads-up E-mail to the Editor upon publication.

 

 

RECENT TOPICS IN THE LITERATURE:

 

 

METHODS – Sample Preparation Tips

 

N. Gunkel et al., “Revisiting sodium phosphotungstate and ammonium molybdate as nonradioactive negative-staining agents for single-particle analysis” PMID: 39601624. 

 

N. Premaraj et al., “Advancing cryo-EM and cryo-ET through innovation in sample carriers: a perspective” PMID: 40476672.

 

I.J. Hirst et al., “Untangling the effects of flexibility and the AWI in cryoEM sample preparation: A case study using KtrA” PMID: 40324569.

 

Y. Huang et al., “Recent Advances in Expression Screening and Sample Evaluation for Structural Studies of Membrane Proteins” PMID: 39362625.

 

K. McGuire et al., “Tuning ice thickness using the chameleon for high-quality cryoEM data collection” PMID: 38746094.

 

B. Cook et al., “Preparation of oxygen-sensitive proteins for high-resolution cryoEM structure determination using (an)aerobic blot-free vitrification” PMID: 39091810.

 

R. Warmack et al., “Anaerobic cryoEM protocols for air- sensitive nitrogenase proteins” PMID: 38575747.

 

I.J. Hirst et al., “CryoEM grid preparation: a closer look at advancements and impact of preparation mode and new approaches” PMID: 38864435.

 

S. Yadav and K.R. Vinothkumar, “Factors affecting macromolecule orientations in thin films formed in cryo-EM” PMID: 38935342.

 

S.E.J. Bowman et al., “Preparing research samples for safe arrival at centers and facilities: recipes for successful experiments” PMID: 38990054.

 

 

METHODS – Macromolecular Crystallography

 

N. L. Inniss et al., “Structural genomics of bacterial drug targets: application of a high-throughput pipeline to solve 59 protein structures from pathogenic and related bacteria” PMID: 40391899.

 

.J. Simpkin et al. “Slice’N’Dice: maximizing the value of predicted models for structural biologists” PMID: 39976565.

 

G. Budziszewski et al. “Preparing for successful protein crystallization experiments” PMID: 40454464.

 

M. Schaefer et al., “Surface-mutagenesis strategies to enable structural biology crystallization platforms”  PMID: 39207897.

 

 

METHODS – Integrative Structural Biology

 

S. Bazzi and S. Sayyed, “Revealing arginine-cysteine and glycine-cysteine NOS linkages by a systematic re-evaluation of protein structures” PMID: 40360719.

 

R. Mitra et al. “RNAproDB: a webserver and interactive database for analyzing protein-RNA interactions” PMID: 40126909.

 

H. McCann et al., “R2DT: a comprehensive platform for visualizing RNA secondary structure” PMID: 39921562.

 

B. Vallat et al., “PDB-IHM: a system for deposition, curation, validation, and dissemination of integrative structures” PMID: 40110969.

 

D. A. Erlanson et al., “Where and how to house big data on small fragments” PMID: 40325009.

 

M. Bazayeva et al., “A database overview of metal-coordination distances in metalloproteins” PMID: 38682667.

 

H. Zheng et al., “PinMyMetal: a hybrid learning system to accurately model metal binding sites in macromolecules” PMID: 40155596.

 

M. Bochtler, “X-rays, electrons, and neutrons as probes of atomic matter” PMID: 38412856.

 

 

METHODS – XFEL, Serial Crystallography

 

L. Sauthof et al. “Serial-femtosecond crystallography reveals how a phytochrome variant couples chromophore and protein structural changes” PMID: 40435264.

 

M. Maestre-Reyna et al., “Capturing structural intermediates in an animal-like cryptochrome photoreceptor by time-resolved crystallography” PMID: 40378212.

 

M. Sonawal et al. “Functional implications of hexameric dynamics in SARS-CoV-2 Nsp15” PMID: 40411374.

 

 

METHODS – Micro-ED

 

M.T.B. Clabbers and T. Gonen, “Recovering high-resolution information using energy filtering in MicroED” PMID: 40370641.

 

J. Lin et al., “Ligand screening and discovery using cocktail soaking and automated MicroED” PMID: 40027750.

 

W. J. Nicolas et al., “Structure of the lens MP20 mediated adhesive junction” PMID: 40140346.

 

J.E. Miller et al., “AlphaFold-assisted structure determination of a bacterial protein of unknown function using X-ray and electron crystallography” PMID: 38451205.

 

 

METHODS – Cryo-EM

 

R.C. Kretsch et al., “Complex water networks visualized by cryogenic electron microscopy of RNA” PMID: 40068818.

 

R.C. Kretsch et al., “Naturally ornate RNA-only complexes revealed by cryo-EM” PMID: 40328315.

 

G. Pintilie et al., Q-score as a reliability measure for protein, nucleic acid, and small molecule atomic coordinate models derived from 3DEM density maps” PMID: 39868161.

 

R. Read et al., “Likelihood-based interactive local docking into cryo-EM maps in ChimeraX” PMID: 39058381.

 

R. Karimi et al., “Vesicle Picker: a tool for efficient identification of membrane protein complexes in vesicles” PMID: 39481498.

 

D. Bobe et al., “Multi-species cryoEM calibration and workflow verification standard” PMID: 39494502.

 

C.L. Lawson et al., “Outcomes of the EMDataResource Cryo-EM Ligand Modeling Challenge” PMID: 38343795.

 

B. Greber et al., “High-resolution cryo-EM of the human CDK-activating kinase for structure-based drug design” PMID: 38480681.

 

G.J. Kleywegt, “Community recommendations on cryoEM data archiving and validation”  PMID: 38358351.

 

M. Kschonsak et al., “Cryo-EM reveals an unprecedented binding site for Nav1.7 inhibitors enabling rational design of potent hybrid inhibitors” PMID: 36975198.

 

 

METHODS – SAXS

 

E. Brookes et al., “SAXS-A-Fold: a website for fast ensemble modeling optimizing the fit of AlphaFold or user-supplied protein structures with flexible regions to SAXS data” PMID: 40475948.

 

K. Lytje and J.S. Pederson, “Validation of electron-microscopy maps using solution small-angle X-ray scattering” PMID: 38935344.

 

 

METHODS – NMR Spectroscopy

 

L. S. Pidgu et al., “Observing nucleotide flipping in DNA using indirect 2’-F nucleotide probes and 19F NMR” PMID: 40488280.

 

M. Bütikofer et al., “Rapid Protein-Ligand Affinity Determination by Photoinduced Hyperpolarized NMR” PMID: 38957136.

 

 

METHODS – AlphaFold

 

A. Fadini et al., “AlphaFold as a prior: experimental structure determination conditioned on a pretrained neural network” PMID: 40027838.

 

R.M. Keegan et al., “The success rate of processed predicted models in molecular replacement: implication for experimental phasing in the AlphaFold era” PMID: 39360967.

 

B.K. Poon et al., “The Phenix-AlphaFold webservice: enabling AlphaFold predictions for use in Phenix” PMID: 3864706.

 

A.M. Lau et al., “Exploring structural diversity across the protein universe with The Encyclopedia of Domains” PMID: 39480926.

 

J. Abramson et al., “Accurate structure prediction of biomolecular interactions with AlphaFold 3” PMID: 38718835.

 

 

METHODS – Mass Spectrometry

 

M.A. Gonzalez-Lozano et al., “EndoMAP.v1 charts the structural landscape of human early endosome complexes” PMID: 40437099.

 

R.A. D’Ippoito et al., “Determining KRAS4B-Targeting Compound Specificity by Top-Down Mass Spectrometry” PMID: 39052227.

 

A. Vetrano et al., “Protein secondary structure patterns in short-range cross-link atlas” PMID: 4043759.

 

M.D. Mann et al., “Structural proteomics defines a sequential priming mechanism for the progesterone receptor” PMID: 403555435.

 

 

READINGS & TUTORIALS – General Structural Biology

 

R. Nussinov et al., “Allostery in disease: anticancer drugs, pockets, and the tumor heterogeneity challenge” PMID: 40021049.

 

K. Matange et al., “Biological polymers: evolution, function, and significance” PMID: 39905926.

 

L.C. Schofield et al., “Post-translational modifications in the Protein Data Bank” PMID: 39207896.

 

 

READINGS & TUTORIALS – Macromolecular Crystallography

 

K.L. Shelley and E.F. Garman, “Identifying and avoiding radiation damage in macromolecular crystallography” PMID: 38700059.

 

G. Khusainov et al., “The time revolution in macromolecular crystallography” PMID: 38616866.

 

J.R. Helliwell et al., “The evolution of raw data archiving and the growth of its importance in crystallography” PMID: 38864497.

 

D.J. Haas, “Fifty years on: why macromolecular cryocrystallography has been so successful” IUCr Newsletter (2023) 31(3).

 

W.A. Hendrickson, “Facing the phase problem” PMID: 37668214.

 

 

READINGS & TUTORIALS – Cryo-EM

 

C.T. Chien et al., “Single-particle cryogenic electron microscopy structure determination for membrane proteins” PMID: 40228430.

 

G.C. Lander, “Single particle cryo-EM map and model validation: It's not crystal clear” PMID: 39293191.

 

E. Nogales & J. Mahamid, “Bridging structural and cell biology with cryo-electron microscopy” PMID: 38570716.

 

 

READINGS & TUTORIALS – Serial Crystallography

 

C. J. Tremlett et al., “Small but mighty: the power of microcrystals in structural biology” PMID: 40080159.

 

A. Henkel and D. Oberthur, “A snapshot love story: what serial crystallography has done for us” PMID: 38984902.

 

READINGS & TUTORIALS – MicroED

 

A. Haymaker & B.L. Nannenga, “Advances and applications of microcrystal electron diffraction (MicroED)” PMID: 10882645.

 

 

READINGS & TUTORIALS – NMR Spectroscopy

 

O. A. Alimowska et al., “Advances in the application of NMR to the study of GPCRs and ligand-GPCR interactions” PMID: 40485639.

 

G. Platzer et al., “NMR-driven structure-based drug discovery by unveiling molecular interactions” PMID: 40450181.

 

 

READINGS & TUTORIALS – Atomic Force Microscopy (AFM)

 

Y. Jiang et al., “A structural biology compatible file format for atomic force microscopy” PMID: 39955301.

 

A.C. Dumitru et al., “Recent advances in the application of atomic force microscopy to structural biology” PMID: 37044358.

 

 

READINGS & TUTORIALS – AlphaFold/AI

 

E. Callaway, “Chemistry Nobel goes to developers of AlphaFold AI that predicts protein structures” PMID: 39384918.

 

E. Callaway, “The huge protein database that spawned AlphaFold and biology's AI revolution” PMID: 39424937.

 

T.C. Terwilliger et al., “AlphaFold predictions are valuable hypotheses and accelerate but do not replace experimental structure determination” PMID: 38036854.

 

S. Subramaniam, “Structural biology in the age of AI” PMID: 38066345.

 

 

READINGS & TUTORIALS – Protein Data Bank/Data Archiving

 

H. Berman and S.K. Burley, “Protein Data Bank (PDB): Fifty-three years young and having a transformative impact on science and society” PMID: 39973356.

 

S.K. Burley et al., “Updated resources for exploring experimentally-determined PDB structures and computed structure models at the RCSB Protein Data Bank” PMID: 39607707.

 

 

 

 

IN THE NEWS:

 

“Pan-KRAS’ drug aiming at KRAS-related cancers lacking targeted therapies now being tested in humans, 07/14/2025

 

Ruth Nussinov elected to the National Academy of Sciences, 05/02/2025

 

Simulations implicate structural changes as a culprit in mutant protein’s cancer role and point to possible treatments, 03/25/2025

 

Lipoprotein structure gives insights into “bad” cholesterol, 01/14/2025

 

 

 

DATABASES – Structural Biology


AlphaFold DB, BioCyc, DisProt, ExPASy, HAD, HIC-Up, NDB, PDB, PDBe, PDB SARS-CoV-2 Resources, SARS-CoV-2 Related Structures, RaMP-DB, virusMED, 

 

 

UPCOMING MEETINGS, CONFERENCES, & WORKSHOPS

 

75th ACA Annual Meeting, July 18-23, 2025

Lombard, IL

 

Microscopy Society of America Annual Meeting, July 27-31, 2025

Salt Lake City, UT

 

Cold Spring Harbor Laboratory Macromolecular Crystallography Course, October 12-28, 2025

Cold Spring Harbor, NY

Application Deadline: July 15, 2025