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Summary Structural details Experimental details Functional details Sequence Neighbor History Downloads

4DEV

An Acetyl Xylan Esterase (Est2A) from the Rumen Bacterium Butyrivibrio proteoclasticus.

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0016788	molecular_function	hydrolase activity, acting on ester bonds
A	0052689	molecular_function	carboxylic ester hydrolase activity
B	0016788	molecular_function	hydrolase activity, acting on ester bonds
B	0052689	molecular_function	carboxylic ester hydrolase activity
C	0016788	molecular_function	hydrolase activity, acting on ester bonds
C	0052689	molecular_function	carboxylic ester hydrolase activity
D	0016788	molecular_function	hydrolase activity, acting on ester bonds
D	0052689	molecular_function	carboxylic ester hydrolase activity
E	0016788	molecular_function	hydrolase activity, acting on ester bonds
E	0052689	molecular_function	carboxylic ester hydrolase activity
F	0016788	molecular_function	hydrolase activity, acting on ester bonds
F	0052689	molecular_function	carboxylic ester hydrolase activity
G	0016788	molecular_function	hydrolase activity, acting on ester bonds
G	0052689	molecular_function	carboxylic ester hydrolase activity
H	0016788	molecular_function	hydrolase activity, acting on ester bonds
H	0052689	molecular_function	carboxylic ester hydrolase activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY A 401

Chain	Residue
A	ASP141
A	SER142
A	GLY188
A	ASN245

site_id	AC2
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACY A 402

Chain	Residue
H	GLN127
A	ASN11
A	SER13
A	LYS16
A	HOH717
H	PRO95

site_id	AC3
Number of Residues	7
Details	BINDING SITE FOR RESIDUE PEG A 403

Chain	Residue
A	GLY151
A	PHE153
A	PHE346
A	GLY347
A	PRO354
A	CL404
A	HOH656

site_id	AC4
Number of Residues	7
Details	BINDING SITE FOR RESIDUE CL A 404

Chain	Residue
A	GLY148
A	SER149
A	TYR150
A	GLY151
A	GLY347
A	SER348
A	PEG403

site_id	AC5
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY B 401

Chain	Residue
B	ASP141
B	SER142
B	GLY188
B	ASN245

site_id	AC6
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACY B 402

Chain	Residue
B	ASN11
B	SER13
B	HOH540
G	THR93
G	PRO95
G	GLN127

site_id	AC7
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACY C 401

Chain	Residue
C	ASP141
C	SER142
C	GLY188
C	ASN245
C	HOH738

site_id	AC8
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACY C 402

Chain	Residue
C	GLY187
C	GLY188
C	TRP195
C	ASP196
C	HIS201
C	HOH570

site_id	AC9
Number of Residues	10
Details	BINDING SITE FOR RESIDUE GOL C 403

Chain	Residue
C	LEU20
C	GLY21
C	ARG22
C	PHE34
C	ASN35
C	GLY36
C	GLY37
C	TYR181
C	HIS182
C	LEU183

site_id	BC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY D 401

Chain	Residue
D	ASP141
D	SER142
D	GLY188
D	ASN245

site_id	BC2
Number of Residues	3
Details	BINDING SITE FOR RESIDUE ACY D 402

Chain	Residue
B	HOH715
D	PHE71
D	TYR150

site_id	BC3
Number of Residues	10
Details	BINDING SITE FOR RESIDUE PEG D 403

Chain	Residue
B	ASP157
C	GLN5
D	ASN68
D	MET90
D	GLU91
D	THR94
D	PRO95
D	LYS96
D	HOH519
D	HOH700

site_id	BC4
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY D 404

Chain	Residue
D	GLY187
D	TRP195
D	ASP196
D	HIS201

site_id	BC5
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACY D 405

Chain	Residue
C	ASN11
C	ILE12
C	SER13
C	LYS16
C	HOH504
D	GLN127

site_id	BC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY E 401

Chain	Residue
E	ASP141
E	SER142
E	GLY188
E	ASN245

site_id	BC7
Number of Residues	7
Details	BINDING SITE FOR RESIDUE ACY E 402

Chain	Residue
E	GLU66
E	ARG99
E	TYR101
E	THR171
E	LYS175
E	TYR181
E	HOH573

site_id	BC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE ACY E 403

Chain	Residue
A	ASP51
E	ASP154

site_id	BC9
Number of Residues	5
Details	BINDING SITE FOR RESIDUE PEG E 404

Chain	Residue
E	HOH696
E	PHE250
E	LYS265
E	ARG267
E	THR268

site_id	CC1
Number of Residues	10
Details	BINDING SITE FOR RESIDUE PEG E 405

Chain	Residue
E	LEU20
E	GLY21
E	ARG22
E	PHE34
E	ASN35
E	GLY36
E	GLY37
E	TYR181
E	HIS182
E	LEU183

site_id	CC2
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY F 401

Chain	Residue
F	ASP141
F	SER142
F	GLY188
F	ASN245

site_id	CC3
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACY F 402

Chain	Residue
E	ASN11
E	SER13
E	HOH697
F	PRO95
F	GLN127

site_id	CC4
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY F 403

Chain	Residue
A	HOH726
F	PHE71
F	TYR150
F	HOH675

site_id	CC5
Number of Residues	4
Details	BINDING SITE FOR RESIDUE ACY G 401

Chain	Residue
G	ASP141
G	SER142
G	GLY188
G	ASN245

site_id	CC6
Number of Residues	3
Details	BINDING SITE FOR RESIDUE ACY G 402

Chain	Residue
G	PHE71
G	TYR150
G	HOH679

site_id	CC7
Number of Residues	4
Details	BINDING SITE FOR RESIDUE PEG G 403

Chain	Residue
G	ILE17
G	ASN18
G	ILE19
G	ASP180

site_id	CC8
Number of Residues	6
Details	BINDING SITE FOR RESIDUE PEG G 404

Chain	Residue
G	ARG99
G	LYS175
G	ASN178
G	ALA179
G	HOH604
G	HOH674

site_id	CC9
Number of Residues	7
Details	BINDING SITE FOR RESIDUE GOL G 405

Chain	Residue
C	ALA70
C	PHE71
G	SER149
G	TYR150
G	GLY151
G	PRO354
G	HOH691

site_id	DC1
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACY H 401

Chain	Residue
H	ASP141
H	SER142
H	GLY188
H	ASN245
H	PEG403

site_id	DC2
Number of Residues	3
Details	BINDING SITE FOR RESIDUE ACY H 402

Chain	Residue
H	PHE71
H	TYR150
H	HOH619

site_id	DC3
Number of Residues	5
Details	BINDING SITE FOR RESIDUE PEG H 403

Chain	Residue
H	TRP158
H	GLY188
H	TRP195
H	ACY401
H	HOH668

250359

PDB entries from 2026-03-11

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