3HML

Crystal Structure of PqqC Active Site Mutant H154S in Complex with PQQ

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3hmla1	All alpha proteins	Heme oxygenase-like	Heme oxygenase-like	PqqC-like	Coenzyme PQQ synthesis protein C, PqqC	(Klebsiella pneumoniae subsp. pneumoniae MGH 78578 ) [TaxId: 272620 ],	SCOPe (2.08)
A	d3hmla2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Klebsiella pneumoniae subsp. pneumoniae MGH 78578 ) [TaxId: 272620 ],	SCOPe (2.08)
B	d3hmlb1	All alpha proteins	Heme oxygenase-like	Heme oxygenase-like	PqqC-like	Coenzyme PQQ synthesis protein C, PqqC	(Klebsiella pneumoniae subsp. pneumoniae MGH 78578 ) [TaxId: 272620 ],	SCOPe (2.08)
B	d3hmlb2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Klebsiella pneumoniae subsp. pneumoniae MGH 78578 ) [TaxId: 272620 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Heme oxygenase-like	8067752	3001676	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Heme oxygenase-like	8067752	3001676	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	TENA_THI-4	e3hmlA1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: TENA_THI-4	ECOD (1.6)
B	TENA_THI-4	e3hmlB1	A: alpha bundles	X: Ferritin/Heme oxygenase/4-helical cytokines	H: Ferritin/Heme oxygenase	T: Heme oxygenase/Ribonucleotide reductase	F: TENA_THI-4	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.910.10	Mainly Alpha	Up-down Bundle	Heme Oxygenase	Chain A	CATH (4.3.0)
B	1.20.910.10	Mainly Alpha	Up-down Bundle	Heme Oxygenase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF03070	TENA/THI-4/PQQC family (TENA_THI-4)	TENA/THI-4/PQQC family	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Pyrroloquinoline-quinone synthase	pyrroloquinoline-quinone synthase activity oxidoreductase activity oxidoreductase activity, acting on the CH-CH group of donors catalytic activity oxidoreductase activity, acting on the CH-CH group of donors, oxygen as acceptor	pyrroloquinoline quinone biosynthetic process tricarboxylic acid metabolic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process cellular ketone metabolic process biosynthetic process small molecule metabolic process metabolic process pyrroloquinoline quinone biosynthetic process tricarboxylic acid metabolic process small molecule biosynthetic process oxoacid metabolic process cellular biosynthetic process cellular metabolic process carboxylic acid metabolic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process cellular ketone metabolic process biosynthetic process small molecule metabolic process metabolic process cellular process ketone biosynthetic process tricarboxylic acid biosynthetic process sulfur compound metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004305	Thiaminase-2/PQQC	Domain
A, B	IPR039068	Pyrroloquinoline-quinone synthase-like	Family
A, B	IPR011845	Coenzyme PQQ biosynthesis protein C	Family
A, B	IPR016084	Haem oxygenase-like, multi-helical	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.