Annotations: 1IWB

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
F [auth M]	d1iwbm_	All alpha proteins	Open three-helical up-and-down bundle	Diol dehydratase, gamma subunit	Diol dehydratase, gamma subunit	Diol dehydratase, gamma subunit	(Klebsiella oxytoca ) [TaxId: 571 ],	SCOPe (2.08)
C [auth G]	d1iwbg_	All alpha proteins	Open three-helical up-and-down bundle	Diol dehydratase, gamma subunit	Diol dehydratase, gamma subunit	Diol dehydratase, gamma subunit	(Klebsiella oxytoca ) [TaxId: 571 ],	SCOPe (2.08)
E	d1iwbe_	Alpha and beta proteins (a/b)	Anticodon-binding domain-like	B12-dependent dehydatase associated subunit	Diol dehydratase, beta subunit	Diol dehydratase, beta subunit	(Klebsiella oxytoca ) [TaxId: 571 ],	SCOPe (2.08)
B	d1iwbb_	Alpha and beta proteins (a/b)	Anticodon-binding domain-like	B12-dependent dehydatase associated subunit	Diol dehydratase, beta subunit	Diol dehydratase, beta subunit	(Klebsiella oxytoca ) [TaxId: 571 ],	SCOPe (2.08)
D [auth L]	d1iwbl_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Cobalamin (vitamin B12)-dependent enzymes	Diol dehydratase, alpha subunit	Diol dehydratase, alpha subunit	(Klebsiella oxytoca ) [TaxId: 571 ],	SCOPe (2.08)
A	d1iwba_	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	Cobalamin (vitamin B12)-dependent enzymes	Diol dehydratase, alpha subunit	Diol dehydratase, alpha subunit	(Klebsiella oxytoca ) [TaxId: 571 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
F [auth M]	SCOP2B Superfamily	Diol dehydratase, gamma subunit	8036835	3001460	SCOP2B (2022-06-29)
C [auth G]	SCOP2B Superfamily	Diol dehydratase, gamma subunit	8036835	3001460	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	B12-dependent dehydatase associated subunit	8044419	3000491	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	B12-dependent dehydatase associated subunit	8044419	3000491	SCOP2B (2022-06-29)
D [auth L]	SCOP2B Superfamily	Cobalamin (vitamin B12)-dependent enzymes	8043858	3000609	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	Cobalamin (vitamin B12)-dependent enzymes	8043858	3000609	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)
F [auth M]		e1iwbM1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: p53 tetramerization domain	H: p53 tetramerization domain	T: Cation_efflux	F:	ECOD (20:10:01)
C [auth G]		e1iwbG1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: p53 tetramerization domain	H: p53 tetramerization domain	T: Cation_efflux	F:	ECOD (20:10:01)
E		e1iwbE1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: E1_dh	F:	ECOD (20:10:01)
B		e1iwbB1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: E1_dh	F:	ECOD (20:10:01)
D [auth L]		e1iwbL1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: Enolase_C	F:	ECOD (20:10:01)
A		e1iwbA1	A: C-terminal subdomain in Lon-related proteases catalytic domains	X: C-terminal subdomain in Lon-related proteases catalytic domains	H: C-terminal subdomain in Lon-related proteases catalytic domains	T: Enolase_C	F:	ECOD (20:10:01)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
F [auth M]	1.10.1510.20	Mainly Alpha	Orthogonal Bundle	Hypothetical Protein Yqey	Chain: A	CATH (4.3.0)
C [auth G]	1.10.1510.20	Mainly Alpha	Orthogonal Bundle	Hypothetical Protein Yqey	Chain: A	CATH (4.3.0)
E	3.40.50.10150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	B12-dependent dehydatase associated subunit	CATH (4.3.0)
B	3.40.50.10150	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	B12-dependent dehydatase associated subunit	CATH (4.3.0)
D [auth L]	3.20.20.350	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Diol/glycerol dehydratase, large subunit	CATH (4.3.0)
A	3.20.20.350	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Diol/glycerol dehydratase, large subunit	CATH (4.3.0)

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
C [auth G], F [auth M]	DIOL DEHYDRATASE gamma chain	hydro-lyase activity lyase activity propanediol dehydratase activity catalytic activity carbon-oxygen lyase activity	-	-
B, E	DIOL DEHYDRATASE beta chain	hydro-lyase activity lyase activity propanediol dehydratase activity catalytic activity carbon-oxygen lyase activity	-	-
A, D [auth L]	DIOL DEHYDRATASE alpha chain	vitamin binding binding cobalamin binding tetrapyrrole binding heterocyclic compound binding small molecule binding hydro-lyase activity lyase activity propanediol dehydratase activity catalytic activity carbon-oxygen lyase activity cation binding ion binding metal ion binding	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
C [auth G], F [auth M]	IPR036091	Propanediol/glycerol dehydratase, small subunit superfamily	Homologous Superfamily
C [auth G], F [auth M]	IPR003207	Propanediol/glycerol dehydratase, small subunit	Family
B, E	IPR025541	Propanediol/glycerol dehydratase, medium subunit	Family
B, E	IPR003208	Diol/glycerol dehydratase/dehydratase reactivating factor	Family
B, E	IPR010254	B12-dependent dehydratases, beta subunit	Homologous Superfamily
A, D [auth L]	IPR003206	Diol/glycerol dehydratase, large subunit	Domain
A, D [auth L]	IPR036999	Diol/glycerol dehydratase, large subunit superfamily	Homologous Superfamily
A, D [auth L]	IPR016176	Cobalamin (vitamin B12)-dependent enzyme, catalytic	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.