PsbQ | 16 kDa protein of the oxygen evolving complex (OEC) of PSII

Name: PsbQ | 16 kDa protein of the oxygen evolving complex (OEC) of PSII
SKU: AS06 142-16
Price: 302 EUR
Availability: InStock

AS06 142-16 | Clonality: Polyclonal | Host: Rabbit | Reactivity: A. thaliana, H. vulgare, P. abies, T. aestivum, Z. mays

PsbQ | 16 kDa protein of the oxygen evolving complex (OEC) of PSII in the group Antibodies Plant/Algal / Photosynthesis / PSII (Photosystem II) at Agrisera AB (Antibodies for research) (AS06 142-16)

PsbQ | 16 kDa protein of the oxygen evolving complex (OEC) of PSII

Product Information

Immunogen

KLH-conjugated synthetic peptide derived from available PsbQ protein sequences including Arabidopsis thaliana At4g21280.

Peptide used to elicit this antibody is conserved in both isoforms, Arabidopsis thaliana PsbQ1 and PsbQ2.

Host Rabbit

Clonality Polyclonal

Purity Serum

Format Lyophilized

Quantity 200 µl

Reconstitution For reconstitution add 200 µl of sterile water

Storage Store lyophilized/reconstituted at -20°C; once reconstituted make aliquots to avoid repeated freeze-thaw cycles. Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tube.

Tested applications Western blot (WB)

Recommended dilution 1 : 1000 (WB)

Expected | apparent MW 23,8 | 16 kDa

Reactivity

Confirmed reactivity Arabidopsis thaliana, Hordeum vulgare, Picea abies, Pisum sativum, Triticum aestivum, Zea mays

Predicted reactivity Catalpa bungei, Oryza sativa, Picea sitcHensis, Populus balsamifera, Spinacia oleracea, Triticum aestivum
Species of your interest not listed? Contact us

Not reactive in Chlamydomonas reinhardtii, Physcomitrella patens, Zostera marina

Application examples

Application examples Application example
western blot using anti-PsbQ antibodies

5 µg of total protein from Arabidopsis thaliana (1), Hordeum vulgare (2), Zea mays (3) extracted with Agrisera PEB buffer (AS08 300) were separated on 4-12 % NuPAGE Bis-Tris gel (Invitrogen) and blotted 1h to PVDF. Blots were blocked with blocking reagent for 1.5 h at room temperature (RT) with agitation. Blot was incubated in the primary antibody at a dilution of 1: 10 000 for 1h at RT with agitation. The antibody solution was decanted and the blot was rinsed briefly twice, then washed once for 15 min and 3 times for 5 min in TBS-T at RT with agitation. Blot was incubated in secondary antibody (anti-rabbit IgG horse radish peroxidase conjugated, Agrisera, AS09 602) diluted to 1:25 000 in for 1h at RT with agitation. The blot was washed as above and developed for 5 min with chemiluminescent detection reagent, according to the manufacturers instructions. Exposure time was 44 seconds.

Reactant: Arabidopsis thaliana (Thale cress)

Application: Western Blotting

Pudmed ID: 28791032

Journal: Front Plant Sci

Figure Number: 2A

Published Date: 2017-08-10

First Author: Kohzuma, K., Froehlich, J. E., et al.

Impact Factor: 5.435

Open Publication

Changes in the protein levels of photosynthetic components under extended dark exposure in wild-type and gamera-1. Immunoblot detection of photosynthetic proteins from leaves of Ws and gamera-1 plants incubated after dark adaptation for 0, 2, and 4 days was examined. Specifically, essentially thylakoid fractions were assayed to determine the content of the following proteins: ?-subunit of ATP synthase; the D1 protein, OEC17, OEC23, and OEC33 of PSII; Cyt f and Rieske protein of the cytochrome b6f complex; and the F and D subunits of PSI, after extended dark treatment. Proteins were resolved via SDS-PAGE gel based on equal microgram chlorophyll per lane loading and processed as described in Section “Materials and Methods”. The Large subunit of RuBisco and LHCII stained with either CBB or Ponceau red, respectively, are presented here as loading controls. DAD indicates days after dark adaptation.

Additional information

This product can be sold with ProClin if requested

Background

PSII reaction centre components are generating the redox potential required to drive highly oxidizing water splitting reaction. Four Mn atoms are present on a lumenal surface and form the catalyctic site of the water-splitting reaction which is in close association with the 33 kDa (PsbO), 23 kDa (PsbP) and 17 kDa (PsbQ) extrinistic subunits of oxygen evolving complex OEC. A 33-kDa extrinsic protein is also termed the Mn-stabilizing protein (MSP), however recent evidences shown that it is C-terminal domain of PsbA (D1) protein which is involved in in the assembly and stabilization of the OEC. Synonymes: PSBQ, PSBQA

Product citations

Selected references Yang-Er Chen et al. (2017). Responses of photosystem II and antioxidative systems to high light and high temperature co-stress in wheat. J. of Exp. Botany, Volume 135, March 2017, Pages 45–55.
Pavlovič et al. (2016). Light-induced gradual activation of photosystem II in dark-grown Norway spruce seedlings. Biochim Biophys Acta. 2016 Feb 18. pii: S0005-2728(16)30028-7. doi: 10.1016/j.bbabio.2016.02.009.
Albanese et al. (2016). Isolation of novel PSII-LHCII megacomplexes from pea plants characterized by a combination of proteomics and electron microscopy. Photosynth Res. 2016 Jan 9.
Grassl et al. (2012). Early events in plastid protein degradation in stay-green Arabidopsis reveal differential regulation beyond the retention of LHCII and chlorophyll. J. Proteome Res. October 2.

immunogen:	KLH-conjugated synthetic peptide derived from available PsbQ protein sequences including Arabidopsis thaliana At4g21280. Peptide used to elicit this antibody is conserved in both isoforms, Arabidopsis thaliana PsbQ1 and PsbQ2.
Reconstitution:	For reconstitution add 200 µl of sterile water
Host:	Rabbit
Clonality:	Polyclonal
Purity:	Serum
Format:	Lyophilized
Quantity:	200 µl
storage:	Store lyophilized/reconstituted at -20°C; once reconstituted make aliquots to avoid repeated freeze-thaw cycles. Please remember to spin the tubes briefly prior to opening them to avoid any losses that might occur from material adhering to the cap or sides of the tube.
tested applications:	Western blot (WB)
recommended dilution:	1 : 1000 (WB)
calculated \| apparent molecular mass [kDa]:	23,8 \| 16 kDa
Confirmed reactivity:	Arabidopsis thaliana, Hordeum vulgare, Picea abies, Pisum sativum, Triticum aestivum, Zea mays
predicted reactivity:	Catalpa bungei, Oryza sativa, Picea sitcHensis, Populus balsamifera, Spinacia oleracea, Triticum aestivum Species of your interest not listed? Contact us
not reactive in:	Chlamydomonas reinhardtii, Physcomitrella patens, Zostera marina
Picture (footer):	Application example 5 µg of total protein from Arabidopsis thaliana (1), Hordeum vulgare (2), Zea mays (3) extracted with Agrisera PEB buffer (AS08 300) were separated on 4-12 % NuPAGE Bis-Tris gel (Invitrogen) and blotted 1h to PVDF. Blots were blocked with blocking reagent for 1.5 h at room temperature (RT) with agitation. Blot was incubated in the primary antibody at a dilution of 1: 10 000 for 1h at RT with agitation. The antibody solution was decanted and the blot was rinsed briefly twice, then washed once for 15 min and 3 times for 5 min in TBS-T at RT with agitation. Blot was incubated in secondary antibody (anti-rabbit IgG horse radish peroxidase conjugated, Agrisera, AS09 602) diluted to 1:25 000 in for 1h at RT with agitation. The blot was washed as above and developed for 5 min with chemiluminescent detection reagent, according to the manufacturers instructions. Exposure time was 44 seconds.
More images:	Reactant: Arabidopsis thaliana (Thale cress) Application: Western Blotting Pudmed ID: 28791032 Journal: Front Plant Sci Figure Number: 2A Published Date: 2017-08-10 First Author: Kohzuma, K., Froehlich, J. E., et al. Impact Factor: 5.435 Open Publication Changes in the protein levels of photosynthetic components under extended dark exposure in wild-type and gamera-1. Immunoblot detection of photosynthetic proteins from leaves of Ws and gamera-1 plants incubated after dark adaptation for 0, 2, and 4 days was examined. Specifically, essentially thylakoid fractions were assayed to determine the content of the following proteins: ?-subunit of ATP synthase; the D1 protein, OEC17, OEC23, and OEC33 of PSII; Cyt f and Rieske protein of the cytochrome b6f complex; and the F and D subunits of PSI, after extended dark treatment. Proteins were resolved via SDS-PAGE gel based on equal microgram chlorophyll per lane loading and processed as described in Section “Materials and Methods”. The Large subunit of RuBisco and LHCII stained with either CBB or Ponceau red, respectively, are presented here as loading controls. DAD indicates days after dark adaptation.
additional information (application):	This product can be sold with ProClin if requested
background:	PSII reaction centre components are generating the redox potential required to drive highly oxidizing water splitting reaction. Four Mn atoms are present on a lumenal surface and form the catalyctic site of the water-splitting reaction which is in close association with the 33 kDa (PsbO), 23 kDa (PsbP) and 17 kDa (PsbQ) extrinistic subunits of oxygen evolving complex OEC. A 33-kDa extrinsic protein is also termed the Mn-stabilizing protein (MSP), however recent evidences shown that it is C-terminal domain of PsbA (D1) protein which is involved in in the assembly and stabilization of the OEC. Synonymes: PSBQ, PSBQA
All references:	Yang-Er Chen et al. (2017). Responses of photosystem II and antioxidative systems to high light and high temperature co-stress in wheat. J. of Exp. Botany, Volume 135, March 2017, Pages 45–55. Pavlovič et al. (2016). Light-induced gradual activation of photosystem II in dark-grown Norway spruce seedlings. Biochim Biophys Acta. 2016 Feb 18. pii: S0005-2728(16)30028-7. doi: 10.1016/j.bbabio.2016.02.009. Albanese et al. (2016). Isolation of novel PSII-LHCII megacomplexes from pea plants characterized by a combination of proteomics and electron microscopy. Photosynth Res. 2016 Jan 9. Grassl et al. (2012). Early events in plastid protein degradation in stay-green Arabidopsis reveal differential regulation beyond the retention of LHCII and chlorophyll. J. Proteome Res. October 2.

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