Characterization of a non-haem ferritin of the Archaeon Halobacterium salinarum, homologous to Dps (starvation-induced DNA-binding protein)

S. Reindel; C. L. Schmidt; S. Anemüller; B. F. Matzanke

doi:10.1042/BST0300713

Characterization of a non-haem ferritin of the Archaeon Halobacterium salinarum, homologous to Dps (starvation-induced DNA-binding protein)

S. Reindel, C. L. Schmidt, S. Anemüller, B. F. Matzanke^*

^*Corresponding author for this work

10 Citations (Scopus)

Abstract

An iron-rich protein was isolated from the Archaeon Halobacterium salinarum sharing a sequence identity of 35% with the starvation-induced DNA-binding protein, DpsA, of Synechecoccus sp. PCC 7942. It consists of 20 kDa subunits, forming a dodecameric structure. The protein exhibits a ferric iron loading of up to 103 Fe ions/mol of holoprotein. CD spectra are consistent with an α-helical contribution of 58%. The UV/visible spectrum provides no evidence for the presence of haem groups. This protein exhibits features of a non-haem-type bacterial ferritin although it shares only little sequence homology with non-haem bacterial ferritin.

Original language	English
Journal	Biochemical Society Transactions
Volume	30
Issue number	4
Pages (from-to)	713-715
Number of pages	3
ISSN	0300-5127
DOIs	https://doi.org/10.1042/BST0300713
Publication status	Published - 08.2002

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title = "Characterization of a non-haem ferritin of the Archaeon Halobacterium salinarum, homologous to Dps (starvation-induced DNA-binding protein)",

abstract = "An iron-rich protein was isolated from the Archaeon Halobacterium salinarum sharing a sequence identity of 35\% with the starvation-induced DNA-binding protein, DpsA, of Synechecoccus sp. PCC 7942. It consists of 20 kDa subunits, forming a dodecameric structure. The protein exhibits a ferric iron loading of up to 103 Fe ions/mol of holoprotein. CD spectra are consistent with an α-helical contribution of 58\%. The UV/visible spectrum provides no evidence for the presence of haem groups. This protein exhibits features of a non-haem-type bacterial ferritin although it shares only little sequence homology with non-haem bacterial ferritin.",

author = "S. Reindel and Schmidt, \{C. L.\} and S. Anem{\"u}ller and Matzanke, \{B. F.\}",

year = "2002",

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pages = "713--715",

journal = "Biochemical Society Transactions",

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T1 - Characterization of a non-haem ferritin of the Archaeon Halobacterium salinarum, homologous to Dps (starvation-induced DNA-binding protein)

AU - Reindel, S.

AU - Schmidt, C. L.

AU - Anemüller, S.

AU - Matzanke, B. F.

PY - 2002/8

Y1 - 2002/8

N2 - An iron-rich protein was isolated from the Archaeon Halobacterium salinarum sharing a sequence identity of 35% with the starvation-induced DNA-binding protein, DpsA, of Synechecoccus sp. PCC 7942. It consists of 20 kDa subunits, forming a dodecameric structure. The protein exhibits a ferric iron loading of up to 103 Fe ions/mol of holoprotein. CD spectra are consistent with an α-helical contribution of 58%. The UV/visible spectrum provides no evidence for the presence of haem groups. This protein exhibits features of a non-haem-type bacterial ferritin although it shares only little sequence homology with non-haem bacterial ferritin.

AB - An iron-rich protein was isolated from the Archaeon Halobacterium salinarum sharing a sequence identity of 35% with the starvation-induced DNA-binding protein, DpsA, of Synechecoccus sp. PCC 7942. It consists of 20 kDa subunits, forming a dodecameric structure. The protein exhibits a ferric iron loading of up to 103 Fe ions/mol of holoprotein. CD spectra are consistent with an α-helical contribution of 58%. The UV/visible spectrum provides no evidence for the presence of haem groups. This protein exhibits features of a non-haem-type bacterial ferritin although it shares only little sequence homology with non-haem bacterial ferritin.

UR - https://www.scopus.com/pages/publications/0036671205

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DO - 10.1042/BST0300713

M3 - Journal articles

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AN - SCOPUS:0036671205

SN - 0300-5127

VL - 30

SP - 713

EP - 715

JO - Biochemical Society Transactions

JF - Biochemical Society Transactions

IS - 4

ER -

Characterization of a non-haem ferritin of the Archaeon Halobacterium salinarum, homologous to Dps (starvation-induced DNA-binding protein)

Abstract

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