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haptoglobin binding

Interacting selectively and non-covalently with a haptoglobin, any alpha2 globulin of blood plasma that can combine with free oxyhemoglobin to form a… Expand
National Institutes of Health

Papers overview

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2006
2006
Complex role of hemoglobin and hemoglobin-haptoglobin binding proteins in Haemophilus influenzae virulence in the infant rat model of invasive infection.
Haemophilus influenzae requires an exogenous heme source for aerobic growth in vitro. Hemoglobin or hemoglobin-haptoglobin… Expand
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2004
2004
Reduced severity of middle ear infection caused by nontypeable Haemophilus influenzae lacking the hemoglobin/hemoglobin-haptoglobin binding proteins (Hgp) in a chinchilla model of otitis media.
Since Haemophilus influenzae lacks enzymes necessary for synthesis of the porphyrin ring, it has an absolute growth requirement… Expand
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2000
2000
Detection of phase variation in expression of proteins involved in hemoglobin and hemoglobin-haptoglobin binding by nontypeable Haemophilus influenzae.
Haemophilus influenzae can utilize different protein-bound forms of heme for growth in vitro. A previous study (I. Maciver, J. L… Expand
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1999
1999
Role of CCAA nucleotide repeats in regulation of hemoglobin and hemoglobin-haptoglobin binding protein genes of Haemophilus influenzae.
Haemophilus influenzae utilizes hemoglobin and hemoglobin-haptoglobin as heme sources. The H. influenzae hemoglobin- and… Expand
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1999
1999
Characterization of hgpA, a gene encoding a haemoglobin/haemoglobin-haptoglobin-binding protein of Haemophilus influenzae.
Haemophilus haemoglobin-haptoglobin complex and utilizes either as a sole source of haem. Previously, a DNA fragment was cloned… Expand
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Highly Cited
1996
Highly Cited
1996
Identification of haptoglobin as an alternative ligand for CD11b/CD18.
Haptoglobin is an acute phase protein with presumed anti-inflammatory activities. We report that purified fluorescein-labeled… Expand
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1990
1990
Hemoglobin binding with haptoglobin: Delineation of the haptoglobin binding site on the α-chain of human hemoglobin
Previous studies from this laboratory employing a comprehensive synthetic overlapping peptide strategy showed that the α-chain of… Expand
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1988
1988
An investigation of human oxyhemoglobin beta tetramer dissociation using haptoglobin binding.
Haptoglobin was used as a macromolecular probe to investigate the formation of human oxyhemoglobin beta chain dimers from… Expand
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1982
1982
Kinetics of subunit dissociation of partially oxygenated hemoglobin determined by haptoglobin binding.
Human haptoglobin 1-1 binds very rapidly to hemoglobin dimers but not to tetramers. We have studied the binding kinetics of… Expand
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1976
1976
Kinetics of deoxyhemoglobin subunit dissociation determined by haptoglobin binding: estimation of the equilibrium constant from forward and reverse rates.
Deoxyhemoglobin tetramers dissociate into dimers very slowly, with half-times on the order of several hours. It is demonstrated… Expand
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