Identification of a heparin-binding motif on adeno-associated virus type 2 capsids

Research output: Journal contributionsJournal articlesResearchpeer-review

Standard

Identification of a heparin-binding motif on adeno-associated virus type 2 capsids. / Kern, A.; Schmidt, K.; Leder, Christoph et al.
In: Journal of Virology, Vol. 77, No. 20, 15.10.2003, p. 11072–11081.

Research output: Journal contributionsJournal articlesResearchpeer-review

Harvard

Kern, A, Schmidt, K, Leder, C, Müller, O, Wobus, CE, Bettinger, K, von der Lieth, CW, King, JA & Kleinschmidt, JA 2003, 'Identification of a heparin-binding motif on adeno-associated virus type 2 capsids', Journal of Virology, vol. 77, no. 20, pp. 11072–11081. https://doi.org/10.1128/JVI.77.20.11072-11081.2003

APA

Kern, A., Schmidt, K., Leder, C., Müller, O., Wobus, C. E., Bettinger, K., von der Lieth, C. W., King, J. A., & Kleinschmidt, J. A. (2003). Identification of a heparin-binding motif on adeno-associated virus type 2 capsids. Journal of Virology, 77(20), 11072–11081. https://doi.org/10.1128/JVI.77.20.11072-11081.2003

Vancouver

Kern A, Schmidt K, Leder C, Müller O, Wobus CE, Bettinger K et al. Identification of a heparin-binding motif on adeno-associated virus type 2 capsids. Journal of Virology. 2003 Oct 15;77(20):11072–11081. doi: 10.1128/JVI.77.20.11072-11081.2003

Bibtex

@article{5a5bf380dc044f1bbd52b9787426ef78,
title = "Identification of a heparin-binding motif on adeno-associated virus type 2 capsids",
abstract = "Infection of cells with adeno-associated virus (AAV) type 2 (AAV-2) is mediated by binding to heparan sulfate proteoglycan and can be competed by heparin. Mutational analysis of AAV-2 capsid proteins showed that a group of basic amino acids (arginines 484, 487, 585, and 588 and lysine 532) contribute to heparin and HeLa cell binding. These amino acids are positioned in three clusters at the threefold spike region, of the AAV-2 capsid. According to the recently resolved atomic structure for AAV-2, arginines 484 and 487 and lysine 532 on one site and arginines 585 and 588 on the other site belong to different capsid protein subunits. These data suggest that the formation of the heparin-binding motifs depends on the correct assembly of VP trimers or even of capsids. In contrast, arginine 475, which also strongly reduces heparin binding as well as viral infectivity upon mutation to alanine, is located inside the capsid structure at the border of adjacent VP subunits and most likely influences heparin binding indirectly by disturbing correct subunit assembly. Computer simulation of heparin docking to the AAV-2 capsid suggests that heparin associates with the three basic clusters along a channel-like cavity flanked by the basic amino acids. With few exceptions, mutant infectivities correlated with their heparin- and cell-binding properties. The tissue distribution in mice of recombinant AAV-2 mutated in R484 and R585 indicated markedly reduced infection of the liver, compared to infection with wild-type recombinant AAV, but continued infection of the heart. These results suggest that although heparin binding influences the infectivity of AAV-2, it seems not to be necessary.",
keywords = "Biology",
author = "A. Kern and K. Schmidt and Christoph Leder and O. M{\"u}ller and Wobus, {Christiane E.} and K. Bettinger and {von der Lieth}, C.W. and J.A. King and Kleinschmidt, {J{\"u}rgen A.}",
year = "2003",
month = oct,
day = "15",
doi = "10.1128/JVI.77.20.11072-11081.2003",
language = "English",
volume = "77",
pages = "11072–11081",
journal = "Journal of Virology",
issn = "1098-5514",
publisher = "American Society For Microbiology",
number = "20",

}

RIS

TY - JOUR

T1 - Identification of a heparin-binding motif on adeno-associated virus type 2 capsids

AU - Kern, A.

AU - Schmidt, K.

AU - Leder, Christoph

AU - Müller, O.

AU - Wobus, Christiane E.

AU - Bettinger, K.

AU - von der Lieth, C.W.

AU - King, J.A.

AU - Kleinschmidt, Jürgen A.

PY - 2003/10/15

Y1 - 2003/10/15

N2 - Infection of cells with adeno-associated virus (AAV) type 2 (AAV-2) is mediated by binding to heparan sulfate proteoglycan and can be competed by heparin. Mutational analysis of AAV-2 capsid proteins showed that a group of basic amino acids (arginines 484, 487, 585, and 588 and lysine 532) contribute to heparin and HeLa cell binding. These amino acids are positioned in three clusters at the threefold spike region, of the AAV-2 capsid. According to the recently resolved atomic structure for AAV-2, arginines 484 and 487 and lysine 532 on one site and arginines 585 and 588 on the other site belong to different capsid protein subunits. These data suggest that the formation of the heparin-binding motifs depends on the correct assembly of VP trimers or even of capsids. In contrast, arginine 475, which also strongly reduces heparin binding as well as viral infectivity upon mutation to alanine, is located inside the capsid structure at the border of adjacent VP subunits and most likely influences heparin binding indirectly by disturbing correct subunit assembly. Computer simulation of heparin docking to the AAV-2 capsid suggests that heparin associates with the three basic clusters along a channel-like cavity flanked by the basic amino acids. With few exceptions, mutant infectivities correlated with their heparin- and cell-binding properties. The tissue distribution in mice of recombinant AAV-2 mutated in R484 and R585 indicated markedly reduced infection of the liver, compared to infection with wild-type recombinant AAV, but continued infection of the heart. These results suggest that although heparin binding influences the infectivity of AAV-2, it seems not to be necessary.

AB - Infection of cells with adeno-associated virus (AAV) type 2 (AAV-2) is mediated by binding to heparan sulfate proteoglycan and can be competed by heparin. Mutational analysis of AAV-2 capsid proteins showed that a group of basic amino acids (arginines 484, 487, 585, and 588 and lysine 532) contribute to heparin and HeLa cell binding. These amino acids are positioned in three clusters at the threefold spike region, of the AAV-2 capsid. According to the recently resolved atomic structure for AAV-2, arginines 484 and 487 and lysine 532 on one site and arginines 585 and 588 on the other site belong to different capsid protein subunits. These data suggest that the formation of the heparin-binding motifs depends on the correct assembly of VP trimers or even of capsids. In contrast, arginine 475, which also strongly reduces heparin binding as well as viral infectivity upon mutation to alanine, is located inside the capsid structure at the border of adjacent VP subunits and most likely influences heparin binding indirectly by disturbing correct subunit assembly. Computer simulation of heparin docking to the AAV-2 capsid suggests that heparin associates with the three basic clusters along a channel-like cavity flanked by the basic amino acids. With few exceptions, mutant infectivities correlated with their heparin- and cell-binding properties. The tissue distribution in mice of recombinant AAV-2 mutated in R484 and R585 indicated markedly reduced infection of the liver, compared to infection with wild-type recombinant AAV, but continued infection of the heart. These results suggest that although heparin binding influences the infectivity of AAV-2, it seems not to be necessary.

KW - Biology

UR - http://www.scopus.com/inward/record.url?scp=0141454787&partnerID=8YFLogxK

U2 - 10.1128/JVI.77.20.11072-11081.2003

DO - 10.1128/JVI.77.20.11072-11081.2003

M3 - Journal articles

VL - 77

SP - 11072

EP - 11081

JO - Journal of Virology

JF - Journal of Virology

SN - 1098-5514

IS - 20

ER -

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