1H74

CRYSTAL STRUCTURE OF HOMOSERINE KINASE COMPLEXED WITH ILE

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004413	molecular_function	homoserine kinase activity
A	0005524	molecular_function	ATP binding
A	0005737	cellular_component	cytoplasm
A	0006566	biological_process	threonine metabolic process
A	0009088	biological_process	threonine biosynthetic process
A	0016301	molecular_function	kinase activity
A	0016310	biological_process	phosphorylation
B	0004413	molecular_function	homoserine kinase activity
B	0005524	molecular_function	ATP binding
B	0005737	cellular_component	cytoplasm
B	0006566	biological_process	threonine metabolic process
B	0009088	biological_process	threonine biosynthetic process
B	0016301	molecular_function	kinase activity
B	0016310	biological_process	phosphorylation
C	0004413	molecular_function	homoserine kinase activity
C	0005524	molecular_function	ATP binding
C	0005737	cellular_component	cytoplasm
C	0006566	biological_process	threonine metabolic process
C	0009088	biological_process	threonine biosynthetic process
C	0016301	molecular_function	kinase activity
C	0016310	biological_process	phosphorylation
D	0004413	molecular_function	homoserine kinase activity
D	0005524	molecular_function	ATP binding
D	0005737	cellular_component	cytoplasm
D	0006566	biological_process	threonine metabolic process
D	0009088	biological_process	threonine biosynthetic process
D	0016301	molecular_function	kinase activity
D	0016310	biological_process	phosphorylation

Functional Information from PDB Data

site_id	AC1
Number of Residues	3
Details	BINDING SITE FOR RESIDUE MG B 600

Chain	Residue
B	SER98
B	GLU130
B	AGS400

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site_id	AC2
Number of Residues	9
Details	BINDING SITE FOR RESIDUE ILE A 500

Chain	Residue
A	THR183
A	ARG187
A	ARG235
A	ASN17
A	PHE22
A	ASP23
A	HIS138
A	ASP140
A	ASN141

---

site_id	AC3
Number of Residues	12
Details	BINDING SITE FOR RESIDUE ILE B 500

Chain	Residue
B	ALA16
B	ASN17
B	ASP23
B	HIS138
B	ASP140
B	ASN141
B	ARG187
B	ARG235
B	SER261
B	AGS400
B	HOH2007
B	HOH2060

---

site_id	AC4
Number of Residues	10
Details	BINDING SITE FOR RESIDUE ILE C 500

Chain	Residue
C	ALA16
C	ASN17
C	ASP23
C	HIS138
C	ASP140
C	ASN141
C	ARG187
C	ARG235
C	HOH2013
C	HOH2138

---

site_id	AC5
Number of Residues	11
Details	BINDING SITE FOR RESIDUE ILE D 500

Chain	Residue
D	ASN17
D	PHE22
D	ASP23
D	ASP140
D	THR183
D	ARG187
D	ARG235
D	AGS400
D	HOH2040
D	HOH2057
D	HOH2106

---

site_id	AC6
Number of Residues	17
Details	BINDING SITE FOR RESIDUE ADP A 400

Chain	Residue
A	ILE55
A	PRO56
A	LYS61
A	ASN62
A	VAL63
A	LYS87
A	ALA91
A	GLY92
A	SER97
A	SER98
A	SER101
A	SER133
A	THR183
A	HOH2102
A	HOH2103
A	HOH2104
A	HOH2105

---

site_id	AC7
Number of Residues	19
Details	BINDING SITE FOR RESIDUE AGS B 400

Chain	Residue
B	PRO56
B	ASN62
B	VAL63
B	LYS87
B	ALA91
B	GLY92
B	GLY94
B	GLY96
B	SER97
B	SER98
B	SER101
B	SER133
B	ASN141
B	SER261
B	ILE500
B	MG600
B	HOH2060
B	HOH2073
B	HOH2074

---

site_id	AC8
Number of Residues	19
Details	BINDING SITE FOR RESIDUE ADP C 400

Chain	Residue
C	HOH2157
C	ILE55
C	PRO56
C	LYS61
C	ASN62
C	VAL63
C	LYS87
C	ALA91
C	GLY92
C	SER97
C	SER98
C	SER101
C	SER133
C	THR183
C	HOH2046
C	HOH2153
C	HOH2154
C	HOH2155
C	HOH2156

---

site_id	AC9
Number of Residues	23
Details	BINDING SITE FOR RESIDUE AGS D 400

Chain	Residue
D	ILE55
D	PRO56
D	LYS61
D	ASN62
D	VAL63
D	LYS87
D	ALA91
D	GLY92
D	GLY94
D	LEU95
D	GLY96
D	SER97
D	SER98
D	SER101
D	SER133
D	ASN141
D	THR183
D	SER261
D	ILE500
D	HOH2035
D	HOH2103
D	HOH2104
D	HOH2105

---

Functional Information from PROSITE/UniProt

site_id	PS00627
Number of Residues	12
Details	GHMP_KINASES_ATP GHMP kinases putative ATP-binding domain. VKaGsGLGSSAA

Chain	Residue	Details
A	VAL89-ALA100

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	4
Details	BINDING: BINDING => ECO:0000255

Chain	Residue	Details
A	LYS90
B	LYS90
C	LYS90
D	LYS90

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Catalytic Information from CSA

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

Chain	Residue	Details
A	THR183

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site_id	CSA2
Number of Residues	1
Details	Annotated By Reference To The Literature 1fwk

Chain	Residue	Details
B	THR183

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site_id	CSA3
Number of Residues	1
Details	Annotated By Reference To The Literature 1fwk

Chain	Residue	Details
C	THR183

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site_id	CSA4
Number of Residues	1
Details	Annotated By Reference To The Literature 1fwk

Chain	Residue	Details
D	THR183

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site_id	MCSA1
Number of Residues	2
Details	M-CSA 778

Chain	Residue	Details
A	GLU130	metal ligand
A	THR183	electrostatic stabiliser, polar interaction

---

site_id	MCSA2
Number of Residues	2
Details	M-CSA 778

Chain	Residue	Details
B	GLU130	metal ligand
B	THR183	electrostatic stabiliser, polar interaction

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site_id	MCSA3
Number of Residues	2
Details	M-CSA 778

Chain	Residue	Details
C	GLU130	metal ligand
C	THR183	electrostatic stabiliser, polar interaction

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site_id	MCSA4
Number of Residues	2
Details	M-CSA 778

Chain	Residue	Details
D	GLU130	metal ligand
D	THR183	electrostatic stabiliser, polar interaction

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