Julia Hellmich
Overview
Explore the profile of Julia Hellmich including associated specialties, affiliations and a list of published articles.
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Articles
13
Citations
689
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Recent Articles
1.
Roessler C, Agarwal R, Allaire M, Alonso-Mori R, Andi B, Bachega J, et al.
Structure
. 2016 Mar;
24(4):631-640.
PMID: 26996959
X-ray free-electron lasers (XFELs) provide very intense X-ray pulses suitable for macromolecular crystallography. Each X-ray pulse typically lasts for tens of femtoseconds and the interval between pulses is many orders...
2.
Ibrahim M, Chatterjee R, Hellmich J, Tran R, Bommer M, Yachandra V, et al.
Struct Dyn
. 2016 Jan;
2(4).
PMID: 26726311
In photosynthesis, photosystem II (PSII) is the multi-subunit membrane protein complex that catalyzes photo-oxidation of water into dioxygen through the oxygen evolving complex (OEC). To understand the water oxidation reaction,...
3.
Hellmich J, Bommer M, Burkhardt A, Ibrahim M, Kern J, Meents A, et al.
Structure
. 2014 Dec;
22(11):1607-15.
PMID: 25438669
Photosystem II (PSII) catalyzes a key step in photosynthesis, the oxidation of water to oxygen. Excellent structural models exist for the dimeric PSII core complex of cyanobacteria, but higher order...
4.
Kern J, Tran R, Alonso-Mori R, Koroidov S, Echols N, Hattne J, et al.
Nat Commun
. 2014 Jul;
5:4371.
PMID: 25006873
The dioxygen we breathe is formed by light-induced oxidation of water in photosystem II. O2 formation takes place at a catalytic manganese cluster within milliseconds after the photosystem II reaction...
5.
Tran R, Kern J, Hattne J, Koroidov S, Hellmich J, Alonso-Mori R, et al.
Philos Trans R Soc Lond B Biol Sci
. 2014 Jun;
369(1647):20130324.
PMID: 24914152
The structure of photosystem II and the catalytic intermediate states of the Mn₄CaO₅ cluster involved in water oxidation have been studied intensively over the past several years. An understanding of...
6.
Hattne J, Echols N, Tran R, Kern J, Gildea R, Brewster A, et al.
Nat Methods
. 2014 Mar;
11(5):545-8.
PMID: 24633409
X-ray free-electron laser (XFEL) sources enable the use of crystallography to solve three-dimensional macromolecular structures under native conditions and without radiation damage. Results to date, however, have been limited by...
7.
Brecht M, Skandary S, Hellmich J, Glockner C, Konrad A, Hussels M, et al.
Biochim Biophys Acta
. 2014 Feb;
1837(6):773-81.
PMID: 24508723
In this study we use a combination of absorption, fluorescence and low temperature single-molecule spectroscopy to elucidate the spectral properties, heterogeneities and dynamics of the chlorophyll a (Chla) molecules responsible...
8.
Kern J, Alonso-Mori R, Tran R, Hattne J, Gildea R, Echols N, et al.
Science
. 2013 Feb;
340(6131):491-5.
PMID: 23413188
Intense femtosecond x-ray pulses produced at the Linac Coherent Light Source (LCLS) were used for simultaneous x-ray diffraction (XRD) and x-ray emission spectroscopy (XES) of microcrystals of photosystem II (PS...
9.
Alonso-Mori R, Kern J, Gildea R, Sokaras D, Weng T, Lassalle-Kaiser B, et al.
Proc Natl Acad Sci U S A
. 2012 Nov;
109(47):19103-7.
PMID: 23129631
The ultrabright femtosecond X-ray pulses provided by X-ray free-electron lasers open capabilities for studying the structure and dynamics of a wide variety of systems beyond what is possible with synchrotron...
10.
Sierra R, Laksmono H, Kern J, Tran R, Hattne J, Alonso-Mori R, et al.
Acta Crystallogr D Biol Crystallogr
. 2012 Oct;
68(Pt 11):1584-7.
PMID: 23090408
An electrospun liquid microjet has been developed that delivers protein microcrystal suspensions at flow rates of 0.14-3.1 µl min(-1) to perform serial femtosecond crystallography (SFX) studies with X-ray lasers. Thermolysin...