1Y55

Crystal structure of the C122S mutant of E. Coli expressed avidin related protein 4 (AVR4)-biotin complex

Functional Information from GO Data

Chain	GOid	namespace	contents
X	0005576	cellular_component	extracellular region
X	0009374	molecular_function	biotin binding
Y	0005576	cellular_component	extracellular region
Y	0009374	molecular_function	biotin binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	13
Details	BINDING SITE FOR RESIDUE BTN X 801

Chain	Residue
X	ASN12
X	THR75
X	TRP95
X	ASN116
X	HOH1016
X	SER16
X	TYR33
X	THR35
X	VAL37
X	ALA38
X	ASP39
X	TRP68
X	SER71

---

site_id	AC2
Number of Residues	14
Details	BINDING SITE FOR RESIDUE BTN Y 802

Chain	Residue
Y	ASN212
Y	SER216
Y	TYR233
Y	THR235
Y	VAL237
Y	ALA238
Y	ASP239
Y	TRP268
Y	SER271
Y	THR275
Y	TRP295
Y	ASN316
Y	HOH929
Y	HOH935

---

site_id	AC3
Number of Residues	8
Details	BINDING SITE FOR RESIDUE FMT X 901

Chain	Residue
X	ARG26
X	ALA38
X	PRO41
X	HOH907
X	HOH912
X	HOH952
Y	TYR306
Y	LYS309

---

site_id	AC4
Number of Residues	7
Details	BINDING SITE FOR RESIDUE FMT Y 902

Chain	Residue
X	HIS67
X	HOH933
X	HOH946
Y	HIS254
Y	LYS255
Y	ARG256
Y	HOH955

---

site_id	AC5
Number of Residues	7
Details	BINDING SITE FOR RESIDUE FMT X 903

Chain	Residue
X	HIS54
X	LYS55
X	ARG56
X	HOH971
Y	HIS267
Y	HOH922
Y	HOH924

---

site_id	AC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE FMT Y 904

Chain	Residue
Y	VAL301
Y	ASN302
Y	TYR306
Y	HOH1005

---

Functional Information from PROSITE/UniProt

site_id	PS00577
Number of Residues	15
Details	AVIDIN_1 Avidin-like domain signature. YdwKAtrVGyNnFTR

Chain	Residue	Details
X	TYR106-ARG120

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	14
Details	BINDING: BINDING => ECO:0000269|PubMed:15858262, ECO:0007744|PDB:1Y52, ECO:0007744|PDB:1Y55

Chain	Residue	Details
X	ASN12
Y	TYR233
Y	THR235
Y	ASP239
Y	SER271
Y	ASN316
X	SER16
X	TYR33
X	THR35
X	ASP39
X	SER71
X	ASN116
Y	ASN212
Y	SER216

---

site_id	SWS_FT_FI2
Number of Residues	4
Details	CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:15858262, ECO:0007744|PDB:1Y52

Chain	Residue	Details
X	ASN43
X	ASN117
Y	ASN243
Y	ASN317

---

site_id	SWS_FT_FI3
Number of Residues	2
Details	CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255

Chain	Residue	Details
X	ASN69
Y	ASN269

---