1I7C

HUMAN S-ADENOSYLMETHIONINE DECARBOXYLASE WITH COVALENTLY BOUND PYRUVOYL GROUP AND COMPLEXED WITH METHYLGLYOXAL BIS-(GUANYLHYDRAZONE)

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004014	molecular_function	adenosylmethionine decarboxylase activity
A	0006597	biological_process	spermine biosynthetic process
A	0008295	biological_process	spermidine biosynthetic process
B	0004014	molecular_function	adenosylmethionine decarboxylase activity
B	0008295	biological_process	spermidine biosynthetic process

Functional Information from PDB Data

site_id	AC1
Number of Residues	10
Details	BINDING SITE FOR RESIDUE PUT A 350

Chain	Residue
A	PHE111
B	GLU15
A	ASP174
A	THR176
A	PHE285
A	TYR318
A	HOH408
A	HOH419
A	HOH446
B	LEU13

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site_id	AC2
Number of Residues	10
Details	BINDING SITE FOR RESIDUE MGB A 375

Chain	Residue
A	PYR68
A	PHE223
A	CYS226
A	TYR228
A	SER229
A	ILE244
A	THR245
A	GLU247
B	LEU65
B	SER66

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	ACT_SITE: Schiff-base intermediate with substrate; via pyruvic acid => ECO:0000269|PubMed:11583147

Chain	Residue	Details
A	PYR68
B	GLU11

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site_id	SWS_FT_FI2
Number of Residues	1
Details	ACT_SITE: Proton donor; for catalytic activity => ECO:0000269|PubMed:10029540, ECO:0000269|PubMed:11583147

Chain	Residue	Details
A	CYS82
B	GLU67

---

site_id	SWS_FT_FI3
Number of Residues	2
Details	ACT_SITE: Proton acceptor; for processing activity => ECO:0000269|PubMed:11583147

Chain	Residue	Details
A	SER229
A	HIS243

---

site_id	SWS_FT_FI4
Number of Residues	2
Details	BINDING: BINDING => ECO:0000269|PubMed:11583147

Chain	Residue	Details
A	PHE223
A	GLU247

---

site_id	SWS_FT_FI5
Number of Residues	1
Details	MOD_RES: Pyruvic acid (Ser); by autocatalysis => ECO:0000269|PubMed:2460457, ECO:0000269|PubMed:2687270

Chain	Residue	Details
A	PYR68

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site_id	SWS_FT_FI6
Number of Residues	1
Details	MOD_RES: Phosphoserine => ECO:0007744|PubMed:18669648

Chain	Residue	Details
A	SER298

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Catalytic Information from CSA

site_id	CSA1
Number of Residues	5
Details	Annotated By Reference To The Literature 1jen

Chain	Residue	Details
A	HIS243
A	SER229
A	CYS82
B	GLU11
B	GLU67

---

site_id	MCSA1
Number of Residues	4
Details	M-CSA 575

Chain	Residue	Details
A	PYR68	covalently attached, electron shuttle
A	CYS82	proton shuttle (general acid/base)
A	SER229
A	HIS243

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