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Backtrace:
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Message: Trying to access array offset on value of type null
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Backtrace:
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Message: Trying to access array offset on value of type null
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Backtrace:
File: /var/www/html/application/controllers/Detail.php
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Severity: Warning
Message: Trying to access array offset on value of type null
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File: /var/www/html/application/models/Detail_model.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Filename: helpers/my_audit_helper.php
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Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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Filename: controllers/Detail.php
Line Number: 256
Backtrace:
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
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File: /var/www/html/index.php
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Message: Trying to access array offset on value of type null
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Filename: controllers/Detail.php
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Backtrace:
File: /var/www/html/application/helpers/my_audit_helper.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/application/controllers/Detail.php
File: /var/www/html/index.php
Structural analysis of Atopobium parvulum SufS cysteine desulfurase linked to Crohn's disease. | LitMetric
Crohn's disease (CD) is characterized by the chronic inflammation of the gastrointestinal tract. A dysbiotic microbiome and a defective immune system are linked to CD, where hydrogen sulfide (H S) microbial producers positively correlate with the severity of the disease. Atopobium parvulum is a key H S producer from the microbiome of CD patients. In this study, the biochemical characterization of two Atopobium parvulum cysteine desulfurases, ApSufS and ApCsdB, shows that the enzymes are allosterically regulated. Structural analyses reveal that ApSufS forms a dimer with conserved characteristics observed in type II cysteine desulfurases. Four residues surrounding the active site are essential to catalyse cysteine desulfurylation, and a segment of short-chain residues grant access for substrate binding. A better understanding of ApSufS will help future avenues for CD treatment.
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