Annotations: 5T8K

1.95 Angstrom Crystal Structure of S-adenosylhomocysteinase from Cryptosporidium parvum in Complex with Adenine and NAD

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
C	Lyase_1	e5t8kC1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Lyase_1	ECOD (v294.2)
D	Lyase_1	e5t8kD1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Lyase_1	ECOD (v294.2)
B	Lyase_1	e5t8kB1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Lyase_1	ECOD (v294.2)
A	Lyase_1	e5t8kA1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: Alanine racemase-C	F: Lyase_1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
C	3.40.50.1480	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Adenosylhomocysteinase-like	CATH (4.3.0)
C	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
D	3.40.50.1480	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Adenosylhomocysteinase-like	CATH (4.3.0)
D	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.40.50.1480	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Adenosylhomocysteinase-like	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.40.50.1480	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	Adenosylhomocysteinase-like	CATH (4.3.0)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
C	PF05221	S-adenosyl-L-homocysteine hydrolase (AdoHcyase)	S-adenosyl-L-homocysteine hydrolase		Domain
C	PF00670	S-adenosyl-L-homocysteine hydrolase, NAD binding domain (AdoHcyase_NAD)	S-adenosyl-L-homocysteine hydrolase, NAD binding domain		Domain
A, B, D	PF05221	S-adenosyl-L-homocysteine hydrolase (AdoHcyase)	S-adenosyl-L-homocysteine hydrolase		Domain
A, B, D	PF00670	S-adenosyl-L-homocysteine hydrolase, NAD binding domain (AdoHcyase_NAD)	S-adenosyl-L-homocysteine hydrolase, NAD binding domain		Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C	Adenosylhomocysteinase	binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding hydrolase activity hydrolase activity, acting on carbon-sulfur bonds adenosylhomocysteinase activity catalytic activity	L-methionine cycle S-adenosylmethionine metabolic process sulfur compound metabolic process metabolic process cellular process small molecule metabolic process one-carbon metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol
A, B, D	Adenosylhomocysteinase	binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding hydrolase activity hydrolase activity, acting on carbon-sulfur bonds adenosylhomocysteinase activity catalytic activity	L-methionine cycle S-adenosylmethionine metabolic process sulfur compound metabolic process metabolic process cellular process small molecule metabolic process one-carbon metabolic process	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C	IPR015878	S-adenosyl-L-homocysteine hydrolase, NAD binding domain	Domain
C	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
C	IPR020082	S-adenosyl-L-homocysteine hydrolase, conserved site	Conserved Site
C	IPR042172	Adenosylhomocysteinase-like superfamily	Homologous Superfamily
C	IPR000043	Adenosylhomocysteinase-like	Family
A, B, D	IPR015878	S-adenosyl-L-homocysteine hydrolase, NAD binding domain	Domain
A, B, D	IPR036291	NAD(P)-binding domain superfamily	Homologous Superfamily
A, B, D	IPR020082	S-adenosyl-L-homocysteine hydrolase, conserved site	Conserved Site
A, B, D	IPR042172	Adenosylhomocysteinase-like superfamily	Homologous Superfamily
A, B, D	IPR000043	Adenosylhomocysteinase-like	Family

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.