6ZAT

Nitrite-bound copper nitrite reductase from Bradyrhizobium sp. ORS 375 (two-domain) at 1.0 A resolution (unrestrained full matrix refinement by SHELX)

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005507	molecular_function	copper ion binding
A	0050421	molecular_function	nitrite reductase (NO-forming) activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	4
Details	binding site for residue CU A 501

Chain	Residue
A	HIS89
A	CYS130
A	HIS140
A	MET145

---

site_id	AC2
Number of Residues	5
Details	binding site for residue CU A 502

Chain	Residue
A	ASP92
A	HIS94
A	HIS129
A	HIS301
A	NO2503

---

site_id	AC3
Number of Residues	11
Details	binding site for residue NO2 A 503

Chain	Residue
A	ASP92
A	HIS94
A	HIS129
A	HIS250
A	ILE252
A	HIS301
A	LEU303
A	CU502
A	HOH618
A	HOH671
A	HOH731

---

site_id	AC4
Number of Residues	6
Details	binding site for residue GOL A 504

Chain	Residue
A	THR223
A	GLY224
A	ALA227
A	HIS314
A	LYS316
A	HOH605

---

site_id	AC5
Number of Residues	4
Details	binding site for residue SO4 A 505

Chain	Residue
A	ASP183
A	GLU184
A	LYS189
A	HOH668

---

site_id	AC6
Number of Residues	5
Details	binding site for residue SO4 A 506

Chain	Residue
A	LYS330
A	ALA331
A	HOH614
A	HOH828
A	HOH889

---

site_id	AC7
Number of Residues	9
Details	binding site for residue SO4 A 507

Chain	Residue
A	HIS163
A	SER164
A	ASP192
A	HOH609
A	HOH709
A	HOH760
A	HOH906
A	HOH981
A	HOH1064

---

site_id	AC8
Number of Residues	10
Details	binding site for residue SO4 A 508

Chain	Residue
A	LYS43
A	THR52
A	SER190
A	LYS289
A	NO2517
A	HOH612
A	HOH616
A	HOH739
A	HOH1072
A	HOH1134

---

site_id	AC9
Number of Residues	6
Details	binding site for residue SO4 A 509

Chain	Residue
A	ASP3
A	LEU4
A	ARG117
A	HOH627
A	HOH890
A	HOH951

---

site_id	AD1
Number of Residues	5
Details	binding site for residue SO4 A 510

Chain	Residue
A	LYS320
A	TRP321
A	HOH622
A	HOH654
A	HOH748

---

site_id	AD2
Number of Residues	13
Details	binding site for residue SO4 A 511

Chain	Residue
A	HIS161
A	SER266
A	ALA268
A	HOH611
A	HOH692
A	HOH706
A	HOH750
A	HOH794
A	HOH859
A	HOH873
A	HOH1053
A	HOH1170
A	HOH1270

---

site_id	AD3
Number of Residues	13
Details	binding site for residue SO4 A 512

Chain	Residue
A	GLU23
A	GLN24
A	ALA25
A	GLN40
A	ARG166
A	GLN347
A	HOH634
A	HOH640
A	HOH647
A	HOH929
A	HOH1010
A	HOH1083
A	HOH1162

---

site_id	AD4
Number of Residues	8
Details	binding site for residue SO4 A 513

Chain	Residue
A	ALA15
A	TYR345
A	PHE346
A	HOH606
A	HOH915
A	HOH945
A	HOH1030
A	HOH1233

---

site_id	AD5
Number of Residues	8
Details	binding site for residue SO4 A 514

Chain	Residue
A	LYS36
A	THR78
A	GLN113
A	SER339
A	HOH619
A	HOH631
A	HOH691
A	HOH969

---

site_id	AD6
Number of Residues	8
Details	binding site for residue SO4 A 515

Chain	Residue
A	ARG169
A	LYS225
A	ASN226
A	ASN231
A	HOH602
A	HOH633
A	HOH893
A	HOH1224

---

site_id	AD7
Number of Residues	9
Details	binding site for residue SO4 A 516

Chain	Residue
A	LYS207
A	LYS207
A	LYS207
A	HOH624
A	HOH624
A	HOH624
A	HOH957
A	HOH957
A	HOH957

---

site_id	AD8
Number of Residues	7
Details	binding site for residue NO2 A 517

Chain	Residue
A	LYS43
A	THR52
A	PHE53
A	GLN54
A	SER190
A	TYR191
A	SO4508

---

site_id	AD9
Number of Residues	10
Details	binding site for residue NO2 A 518

Chain	Residue
A	ASN244
A	ARG245
A	ASP246
A	ARG248
A	ASN302
A	HOH601
A	HOH603
A	HOH607
A	HOH938
A	HOH974

---

site_id	AE1
Number of Residues	17
Details	binding site for residue EPE A 519

Chain	Residue
A	THR121
A	ARG122
A	TYR258
A	LEU291
A	LEU325
A	HOH646
A	HOH657
A	HOH736
A	HOH898
A	HOH1034
A	HOH1086
A	HOH1112
A	HOH1123
A	HOH1139
A	HOH1209
A	HOH1256
A	HOH1324

---

site_id	AE2
Number of Residues	21
Details	binding site for residue EPE A 520

Chain	Residue
A	GLU261
A	GLU261
A	GLU270
A	GLU270
A	ARG279
A	ARG279
A	ARG279
A	HOH687
A	HOH687
A	HOH692
A	HOH692
A	HOH933
A	HOH933
A	HOH1068
A	HOH1068
A	HOH1100
A	HOH1100
A	HOH1100
A	HOH1246
A	HOH1246
A	HOH1246

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