2BCH

A possible of Second calcium ion in interfacial binding: Atomic and Medium resolution crystal structures of the quadruple mutant of phospholipase A2

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0002227	biological_process	innate immune response in mucosa
A	0004623	molecular_function	phospholipase A2 activity
A	0005102	molecular_function	signaling receptor binding
A	0005509	molecular_function	calcium ion binding
A	0005543	molecular_function	phospholipid binding
A	0005576	cellular_component	extracellular region
A	0005615	cellular_component	extracellular space
A	0006629	biological_process	lipid metabolic process
A	0006633	biological_process	fatty acid biosynthetic process
A	0006644	biological_process	phospholipid metabolic process
A	0008284	biological_process	positive regulation of cell population proliferation
A	0009986	cellular_component	cell surface
A	0016042	biological_process	lipid catabolic process
A	0016787	molecular_function	hydrolase activity
A	0019731	biological_process	antibacterial humoral response
A	0032052	molecular_function	bile acid binding
A	0046470	biological_process	phosphatidylcholine metabolic process
A	0046471	biological_process	phosphatidylglycerol metabolic process
A	0046872	molecular_function	metal ion binding
A	0047498	molecular_function	calcium-dependent phospholipase A2 activity
A	0048146	biological_process	positive regulation of fibroblast proliferation
A	0050482	biological_process	arachidonic acid secretion
A	0050830	biological_process	defense response to Gram-positive bacterium
A	0061844	biological_process	antimicrobial humoral immune response mediated by antimicrobial peptide
A	1904635	biological_process	positive regulation of podocyte apoptotic process

Functional Information from PDB Data

site_id	AC1
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CA A 124

Chain	Residue
A	TYR28
A	GLY30
A	GLY32
A	ASP49
A	HOH231
A	HOH297

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site_id	AC2
Number of Residues	3
Details	BINDING SITE FOR RESIDUE CL A 126

Chain	Residue
A	LYS12
A	GLU81
A	ILE82

---

site_id	AC3
Number of Residues	10
Details	BINDING SITE FOR RESIDUE MPD A 127

Chain	Residue
A	GLU17
A	LEU19
A	LEU20
A	CYS105
A	LYS108
A	HOH202
A	HOH280
A	HOH332
A	HOH404
A	HOH409

---

site_id	AC4
Number of Residues	12
Details	BINDING SITE FOR RESIDUE MPD A 128

Chain	Residue
A	ILE13
A	SER15
A	ASP21
A	PHE94
A	ASN97
A	TYR111
A	MPD130
A	HOH219
A	HOH245
A	HOH248
A	HOH331
A	HOH352

---

site_id	AC5
Number of Residues	13
Details	BINDING SITE FOR RESIDUE MPD A 129

Chain	Residue
A	PHE5
A	ILE9
A	PRO18
A	LEU19
A	PHE22
A	ASN23
A	GLY30
A	HIS48
A	TYR69
A	HOH217
A	HOH231
A	HOH342
A	HOH391

---

site_id	AC6
Number of Residues	13
Details	BINDING SITE FOR RESIDUE MPD A 130

Chain	Residue
A	ILE13
A	PHE22
A	SER107
A	VAL109
A	MPD128
A	HOH212
A	HOH243
A	HOH279
A	HOH281
A	HOH352
A	HOH377
A	HOH397
A	HOH398

---

site_id	AC7
Number of Residues	14
Details	BINDING SITE FOR RESIDUE MPD A 131

Chain	Residue
A	ASN24
A	TYR25
A	GLY26
A	CYS27
A	TYR28
A	CYS29
A	GLY30
A	LEU31
A	GLY32
A	GLY33
A	SER34
A	VAL65
A	MET120
A	HOH375

---

Functional Information from PROSITE/UniProt

site_id	PS00118
Number of Residues	8
Details	PA2_HIS Phospholipase A2 histidine active site. CCQtHDnC

Chain	Residue	Details
A	CYS44-CYS51

---

site_id	PS00119
Number of Residues	11
Details	PA2_ASP Phospholipase A2 aspartic acid active site. ICNCDRNAaIC

Chain	Residue	Details
A	ILE95-CYS105

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	ACT_SITE: ACT_SITE => ECO:0000269|PubMed:7464926

Chain	Residue	Details
A	HIS48
A	ASP99

---

site_id	SWS_FT_FI2
Number of Residues	4
Details	BINDING: BINDING => ECO:0000269|PubMed:10089353, ECO:0000269|PubMed:7265241, ECO:0000269|PubMed:9115986, ECO:0007744|PDB:1BP2, ECO:0007744|PDB:1KVW, ECO:0007744|PDB:1MKS

Chain	Residue	Details
A	TYR28
A	GLY30
A	GLY32
A	ASP49

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