4UN1 | pdb_00004un1

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
D	HTH_AsnC-type_1	e4un1D1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: HTH_AsnC-type_1	ECOD (1.6)
D	Lrp	e4un1D2	A: a+b two layers	X: Alpha-beta plaits	H: Dimeric alpha+beta barrel (From Topology)	T: Dimeric alpha+beta barrel	F: Lrp	ECOD (1.6)
B	HTH_AsnC-type_1	e4un1B1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: HTH_AsnC-type_1	ECOD (1.6)
B	Lrp	e4un1B2	A: a+b two layers	X: Alpha-beta plaits	H: Dimeric alpha+beta barrel (From Topology)	T: Dimeric alpha+beta barrel	F: Lrp	ECOD (1.6)
C	HTH_AsnC-type_1	e4un1C1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: HTH_AsnC-type_1	ECOD (1.6)
C	AsnC_trans_reg_like	e4un1C2	A: a+b two layers	X: Alpha-beta plaits	H: Dimeric alpha+beta barrel (From Topology)	T: Dimeric alpha+beta barrel	F: AsnC_trans_reg_like	ECOD (1.6)
A	HTH_AsnC-type_1	e4un1A1	A: alpha arrays	X: HTH	H: HTH	T: winged	F: HTH_AsnC-type_1	ECOD (1.6)
A	AsnC_trans_reg_like	e4un1A2	A: a+b two layers	X: Alpha-beta plaits	H: Dimeric alpha+beta barrel (From Topology)	T: Dimeric alpha+beta barrel	F: AsnC_trans_reg_like	ECOD (1.6)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
B, D	PUTATIVE TRANSCRIPTIONAL REGULATOR, ASNC FAMILY	lyase activity catalytic activity	heme metabolic process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process heme biosynthetic process pigment biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process	-
A, C	PUTATIVE TRANSCRIPTIONAL REGULATOR, ASNC FAMILY	lyase activity catalytic activity	heme metabolic process pigment metabolic process porphyrin-containing compound biosynthetic process tetrapyrrole metabolic process heme biosynthetic process pigment biosynthetic process tetrapyrrole biosynthetic process biosynthetic process metabolic process cellular process porphyrin-containing compound metabolic process	-

Chains	Accession	Name	Type
B, D	IPR053953	Siroheme decarboxylase NirL-like, HTH domain	Domain
B, D	IPR050684	Transcriptional regulator Lrp/AsnC/Siroheme decarboxylase	Family
B, D	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
B, D	IPR040523	Siroheme decarboxylase , AsnC-like ligand binding domain	Domain
A, C	IPR053953	Siroheme decarboxylase NirL-like, HTH domain	Domain
A, C	IPR050684	Transcriptional regulator Lrp/AsnC/Siroheme decarboxylase	Family
A, C	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A, C	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A, C	IPR040523	Siroheme decarboxylase , AsnC-like ligand binding domain	Domain