4UN1

Sirohaem decarboxylase AhbA/B - an enzyme with structural homology to the Lrp/AsnC transcription factor family that is part of the alternative haem biosynthesis pathway.

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0006783	biological_process	heme biosynthetic process
A	0016829	molecular_function	lyase activity
B	0006783	biological_process	heme biosynthetic process
B	0016829	molecular_function	lyase activity
C	0006783	biological_process	heme biosynthetic process
C	0016829	molecular_function	lyase activity
D	0006783	biological_process	heme biosynthetic process
D	0016829	molecular_function	lyase activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	16
Details	BINDING SITE FOR RESIDUE OBV C 1163

Chain	Residue
C	SER81
D	TYR100
D	ARG102
D	MET116
D	LYS152
D	THR153
D	SER154
D	HOH2048
C	THR114
C	HIS115
C	ARG119
C	ILE130
C	HOH2038
C	HOH2048
D	ASN71
D	HIS98

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site_id	AC2
Number of Residues	14
Details	BINDING SITE FOR RESIDUE OBV B 1160

Chain	Residue
A	SER88
A	THR114
A	HIS115
A	TYR117
A	ARG119
A	ILE130
B	ASN71
B	HIS98
B	TYR100
B	MET116
B	LYS152
B	MET155
B	TYR157
B	HOH2053

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	BINDING: BINDING => ECO:0000269|PubMed:24865947

Chain	Residue	Details
B	LYS152
D	LYS152
C	HIS115
C	ARG119

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