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Summary Structural details Experimental details Functional details Sequence Neighbor History Downloads

4QH0

Crystal structure of NucA from Streptococcus agalactiae with magnesium ion bound

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0003676	molecular_function	nucleic acid binding
A	0016787	molecular_function	hydrolase activity
A	0046872	molecular_function	metal ion binding
B	0003676	molecular_function	nucleic acid binding
B	0016787	molecular_function	hydrolase activity
B	0046872	molecular_function	metal ion binding
C	0003676	molecular_function	nucleic acid binding
C	0016787	molecular_function	hydrolase activity
C	0046872	molecular_function	metal ion binding
D	0003676	molecular_function	nucleic acid binding
D	0016787	molecular_function	hydrolase activity
D	0046872	molecular_function	metal ion binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	6
Details	BINDING SITE FOR RESIDUE MG A 301

Chain	Residue
A	ASN179
A	HOH401
A	HOH402
A	HOH403
A	HOH404
A	HOH593

site_id	AC2
Number of Residues	6
Details	BINDING SITE FOR RESIDUE SO4 A 302

Chain	Residue
A	HOH596
B	GLN90
D	ASN95
A	LYS159
A	GLY160
A	HOH523

site_id	AC3
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 A 303

Chain	Residue
A	HIS139
A	TYR140
A	SER181
A	ASN182
A	GLN183

site_id	AC4
Number of Residues	2
Details	BINDING SITE FOR RESIDUE SO4 A 304

Chain	Residue
A	ARG187
A	HOH577

site_id	AC5
Number of Residues	1
Details	BINDING SITE FOR RESIDUE SO4 A 305

Chain	Residue
A	HIS132

site_id	AC6
Number of Residues	3
Details	BINDING SITE FOR RESIDUE SO4 A 306

Chain	Residue
A	ASP138
A	HIS139
A	HOH571

site_id	AC7
Number of Residues	5
Details	BINDING SITE FOR RESIDUE CL A 307

Chain	Residue
A	TYR140
A	HIS177
A	GLN246
A	ALA247
A	HOH440

site_id	AC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL A 308

Chain	Residue
A	ARG108
D	LYS159

site_id	AC9
Number of Residues	6
Details	BINDING SITE FOR RESIDUE MG B 301

Chain	Residue
B	ASN179
B	HOH402
B	HOH409
B	HOH412
B	HOH531
B	HOH591

site_id	BC1
Number of Residues	6
Details	BINDING SITE FOR RESIDUE SO4 B 302

Chain	Residue
B	HIS139
B	TYR140
B	SER181
B	ASN182
B	GLN183
B	HOH445

site_id	BC2
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 B 303

Chain	Residue
A	GLN90
B	LYS159
B	GLY160
B	HOH597
C	ASN95

site_id	BC3
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 B 304

Chain	Residue
B	GLU71
B	ARG187
B	HOH415
B	HOH447
B	HOH580

site_id	BC4
Number of Residues	3
Details	BINDING SITE FOR RESIDUE SO4 B 305

Chain	Residue
B	ASP138
B	HIS139
B	HOH598

site_id	BC5
Number of Residues	10
Details	BINDING SITE FOR RESIDUE SO4 B 306

Chain	Residue
B	ARG116
B	ALA151
B	TYR152
B	ALA153
B	GLU193
B	HOH402
B	HOH470
B	HOH489
B	HOH504
B	HOH537

site_id	BC6
Number of Residues	1
Details	BINDING SITE FOR RESIDUE SO4 B 307

Chain	Residue
B	HIS132

site_id	BC7
Number of Residues	6
Details	BINDING SITE FOR RESIDUE MG C 301

Chain	Residue
C	ASN179
C	HOH405
C	HOH410
C	HOH431
C	HOH436
C	HOH518

site_id	BC8
Number of Residues	8
Details	BINDING SITE FOR RESIDUE SO4 C 302

Chain	Residue
A	THR92
A	THR101
A	HOH454
C	ASN95
C	HOH415
C	HOH434
C	HOH441
C	HOH461

site_id	BC9
Number of Residues	6
Details	BINDING SITE FOR RESIDUE SO4 C 303

Chain	Residue
C	HIS139
C	TYR140
C	SER181
C	ASN182
C	GLN183
C	HOH540

site_id	CC1
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 C 304

Chain	Residue
B	LYS159
C	ASP94
C	ASN95
C	HOH415
C	HOH474

site_id	CC2
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 C 305

Chain	Residue
C	TRP131
C	GLN133
C	HOH459
C	HOH563
C	HOH571

site_id	CC3
Number of Residues	8
Details	BINDING SITE FOR RESIDUE SO4 C 306

Chain	Residue
C	HOH410
C	HOH431
C	HOH489
C	HOH504
C	HOH518
C	ARG116
C	ALA148
C	TYR152

site_id	CC4
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 C 307

Chain	Residue
C	GLU71
C	ARG187
C	HOH435
C	HOH447
D	HOH527

site_id	CC5
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL C 308

Chain	Residue
C	ASN80
C	HOH478

site_id	CC6
Number of Residues	5
Details	BINDING SITE FOR RESIDUE CL C 309

Chain	Residue
C	LYS204
C	ARG205
C	GLN232
C	ASP233
C	HOH494

site_id	CC7
Number of Residues	7
Details	BINDING SITE FOR RESIDUE MG D 301

Chain	Residue
D	ASN179
D	SO4306
D	HOH407
D	HOH414
D	HOH416
D	HOH570
D	HOH581

site_id	CC8
Number of Residues	10
Details	BINDING SITE FOR RESIDUE SO4 D 302

Chain	Residue
B	THR101
B	HOH483
D	ASN95
D	GLN96
D	HOH415
D	HOH419
D	HOH439
D	HOH451
D	HOH471
D	HOH541

site_id	CC9
Number of Residues	6
Details	BINDING SITE FOR RESIDUE SO4 D 303

Chain	Residue
A	LYS159
D	ASP94
D	ASN95
D	HOH415
D	HOH457
D	HOH495

site_id	DC1
Number of Residues	6
Details	BINDING SITE FOR RESIDUE SO4 D 304

Chain	Residue
D	HIS139
D	TYR140
D	SER181
D	ASN182
D	GLN183
D	HOH504

site_id	DC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE SO4 D 305

Chain	Residue
D	ASP138
D	HIS139

site_id	DC3
Number of Residues	7
Details	BINDING SITE FOR RESIDUE SO4 D 306

Chain	Residue
D	ALA151
D	TYR152
D	ALA153
D	MG301
D	HOH416
D	HOH461
D	HOH581

site_id	DC4
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 D 307

Chain	Residue
D	GLU71
D	ARG187
D	HOH467
D	HOH491
D	HOH497

site_id	DC5
Number of Residues	5
Details	BINDING SITE FOR RESIDUE EDO D 308

Chain	Residue
B	ARG207
B	HOH534
D	GLN96
D	ASP217
D	THR218

site_id	DC6
Number of Residues	1
Details	BINDING SITE FOR RESIDUE EDO D 309

Chain	Residue
D	THR101

site_id	DC7
Number of Residues	4
Details	BINDING SITE FOR RESIDUE CL D 310

Chain	Residue
D	LYS204
D	ARG205
D	GLN232
D	ASP233

site_id	DC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL D 311

Chain	Residue
D	HIS177
D	ALA247

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PDB entries from 2026-01-14

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