Structural relationship between the mammalian Fe(III)Fe(II) and the Fe(III)Zn(II) plant purple acid phosphatases

The primary structure of uteroferrin (Uf), a 35 kDa monomeric mammalian purple acid phosphatase (PAP) containing a Fe(III)Fe(II) center, has been compared with the sequence of the homodimeric 111 kDa Fe(III)Zn(II) kidney bean purple acid phosphatase (KBPAP). The alignment suggests that the amino a...

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Veröffentlicht in:FEBS letters 1995-06, Vol.367 (1), p.56-60
Hauptverfasser: Klabunde, Thomas, Sträter, Norbert, Krebs, Bernt, Witzel, Herbert
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container_volume 367
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Sträter, Norbert
Krebs, Bernt
Witzel, Herbert
description The primary structure of uteroferrin (Uf), a 35 kDa monomeric mammalian purple acid phosphatase (PAP) containing a Fe(III)Fe(II) center, has been compared with the sequence of the homodimeric 111 kDa Fe(III)Zn(II) kidney bean purple acid phosphatase (KBPAP). The alignment suggests that the amino acid residues ligating the dimetal center are identical in Uf and KBPAP, although the geometry of the coordination sphere might slightly differ. Secondary structure predictions indicate that Uf contains two βαβαβ motifs thus resembling the folding topology of the plant enzyme. Guided by the recently determined X-ray structure of KBPAP a tentative model for the mammalian PAP can be constructed.
doi_str_mv 10.1016/0014-5793(95)00536-I
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The alignment suggests that the amino acid residues ligating the dimetal center are identical in Uf and KBPAP, although the geometry of the coordination sphere might slightly differ. Secondary structure predictions indicate that Uf contains two βαβαβ motifs thus resembling the folding topology of the plant enzyme. Guided by the recently determined X-ray structure of KBPAP a tentative model for the mammalian PAP can be constructed.</abstract><cop>England</cop><pub>Elsevier B.V</pub><pmid>7601285</pmid><doi>10.1016/0014-5793(95)00536-I</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record>
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source MEDLINE; Elsevier ScienceDirect Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Acid Phosphatase - chemistry
Amino Acid Sequence
Ancestor enzyme
Animals
Glycoproteins - chemistry
Isoenzymes
KBPAP, kidney bean purple acid phosphatase
Mammals
Metalloproteins - chemistry
Molecular Sequence Data
Oxygen activation
PAP, purple acid phosphatase
Plants - enzymology
Protein Structure, Secondary
Purple acid phosphatases
Sequence Alignment
Structure prediction
Tartrate-Resistant Acid Phosphatase
Uf, uteroferrin
title Structural relationship between the mammalian Fe(III)Fe(II) and the Fe(III)Zn(II) plant purple acid phosphatases
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