Evidence map›Paper›PMID 19176479›Full record

ArticleThe Journal of biological chemistry2009

Crystal structure of malaria parasite nucleosome assembly protein: distinct modes of protein localization and histone recognition.

Jasmita Gill, Manickam Yogavel, Anuj Kumar, Hassan Belrhali, S K Jain, Melanie Rug, Monica Brown, Alexander G Maier, Amit Sharma

Open access · hybridAbstract read
In one paragraph

Article in The Journal of biological chemistry, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
2.1field-weighted citation impact, top 14% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed, 47 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 4 countries.

Jasmita GillStructural and Computational Biology Group, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Road, New Delhi 110067, India.
Manickam Yogavel
Anuj Kumar
Hassan Belrhali
S K Jain
Melanie Rug
Monica Brown
Alexander G Maier
Amit Sharma
International Centre for Genetic Engineering and Biotechnology · INWalter and Eliza Hall Institute of Medical Research · AUEuropean Molecular Biology Laboratory · FRHamdard University · PK

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Nucleosome assembly proteins (NAPs) are histone chaperones that are essential for the transfer and incorporation of histones into nucleosomes. NAPs participate in assembly and disassembly of nucleosomes and in chromatin structure organization. Human malaria parasite Plasmodium falciparum contains two nucleosome assembly proteins termed PfNapL and PfNapS. To gain structural insights into the mechanism of NAPs, we have determined and analyzed the crystal structure of PfNapL at 2.3 A resolution. PfNapL, an ortholog of eukaryotic NAPs, is dimeric in nature and adopts a characteristic fold seen previously for yeast NAP-1 and Vps75 and for human SET/TAF-1b (beta)/INHAT. The PfNapL monomer is comprised of domain I, containing a dimerization alpha-helix, and a domain II, composed of alpha-helices and a beta-subdomain. Structural comparisons reveal that the "accessory domain," which is inserted between the domain I and domain II in yeast NAP-1 and other eukaryotic NAPs, is surprisingly absent in PfNapL. Expression of green fluorescent protein-tagged PfNapL confirmed its exclusive localization to the parasite cytoplasm. Attempts to disrupt the PfNapL gene were not successful, indicating its essential role for the malaria parasite. A detailed analysis of PfNapL structure suggests unique histone binding properties. The crucial structural differences observed between parasite and yeast NAPs shed light on possible new modes of histone recognition by nucleosome assembly proteins.

Indexed as

Amino Acid SequenceAnimalsAnimals, Genetically ModifiedCrystallography, X-RayHistonesHumansMalariaModels, MolecularMolecular ConformationMolecular Sequence DataNucleosomesPhylogenyPlasmodium falciparumProtein Structure, TertiarySequence Homology, Amino AcidHistonesNucleosomes

Identifiers

PMID19176479
PMCPMC2665062
OpenAlexW2049144996

What OpenQuestion holds

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LicenceCC BY-NC
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.