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Summary Structural details Experimental details Functional details Sequence Neighbor History Downloads

2II5

Crystal structure of a cubic core of the dihydrolipoamide acyltransferase (E2b) component in the branched-chain alpha-ketoacid dehydrogenase complex (BCKDC), Isobutyryl-Coenzyme A-bound form

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0016746	molecular_function	acyltransferase activity
B	0016746	molecular_function	acyltransferase activity
C	0016746	molecular_function	acyltransferase activity
D	0016746	molecular_function	acyltransferase activity
E	0016746	molecular_function	acyltransferase activity
F	0016746	molecular_function	acyltransferase activity
G	0016746	molecular_function	acyltransferase activity
H	0016746	molecular_function	acyltransferase activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT A 600

Chain	Residue
A	PRO350
A	VAL351
A	LEU353
A	ILE359
A	ACT601

site_id	AC2
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT A 601

Chain	Residue
B	GLY396
A	ASP288
A	LEU293
A	ACT600
B	HIS391

site_id	AC3
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACT B 600

Chain	Residue
B	HOH117
B	PRO350
B	VAL351
B	LEU353
B	ILE359
B	ACT601

site_id	AC4
Number of Residues	7
Details	BINDING SITE FOR RESIDUE ACT B 601

Chain	Residue
B	HOH117
B	ASP288
B	LEU293
B	ACT600
C	HIS391
C	ASP395
C	GLY396

site_id	AC5
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT C 600

Chain	Residue
C	MET206
C	PRO350
C	VAL351
C	LEU353
C	ACT601

site_id	AC6
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACT C 601

Chain	Residue
A	HIS391
A	ASP395
A	GLY396
C	ASP288
C	LEU293
C	ACT600

site_id	AC7
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT D 600

Chain	Residue
D	PRO350
D	VAL351
D	LEU353
D	ILE359
D	ACT601

site_id	AC8
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACT D 601

Chain	Residue
D	ASP288
D	LEU293
D	ACT600
E	HIS391
E	ASP395
E	GLY396

site_id	AC9
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT E 600

Chain	Residue
E	PRO350
E	VAL351
E	LEU353
E	ILE359
E	ACT601

site_id	BC1
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACT E 601

Chain	Residue
E	ASP288
E	LEU293
E	SER338
E	ACT600
F	HIS391
F	GLY396

site_id	BC2
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT F 600

Chain	Residue
F	PRO350
F	VAL351
F	LEU353
F	ILE359
F	ACT601

site_id	BC3
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT F 601

Chain	Residue
D	HIS391
D	ASP395
D	GLY396
F	ASP288
F	ACT600

site_id	BC4
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACT G 600

Chain	Residue
G	HOH137
G	MET206
G	VAL351
G	LEU353
G	ILE359
G	ACT601

site_id	BC5
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT G 601

Chain	Residue
G	HOH137
G	ASP288
G	HIS391
G	GLY396
G	ACT600

site_id	BC6
Number of Residues	5
Details	BINDING SITE FOR RESIDUE ACT H 600

Chain	Residue
H	PRO350
H	VAL351
H	LEU353
H	ILE359
H	ACT601

site_id	BC7
Number of Residues	6
Details	BINDING SITE FOR RESIDUE ACT H 601

Chain	Residue
H	ASP288
H	LEU293
H	HIS391
H	ASP395
H	GLY396
H	ACT600

site_id	BC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL H 801

Chain	Residue
H	HOH126
H	LYS349

site_id	BC9
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL C 802

Chain	Residue
A	HOH58
C	LYS349

site_id	CC1
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL A 803

Chain	Residue
A	LYS349
B	HOH83

site_id	CC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL E 804

Chain	Residue
E	LYS349
F	HOH99

site_id	CC3
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL F 805

Chain	Residue
D	HOH55
F	LYS349

site_id	CC4
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL B 806

Chain	Residue
C	HOH110
B	LYS349

site_id	CC5
Number of Residues	3
Details	BINDING SITE FOR RESIDUE CL G 807

Chain	Residue
G	ARG370
G	ARG370
G	ARG370

site_id	CC6
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL A 808

Chain	Residue
A	ARG370
C	ARG370

site_id	CC7
Number of Residues	3
Details	BINDING SITE FOR RESIDUE CL H 810

Chain	Residue
H	ARG370
H	ARG370
H	ARG370

site_id	CC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL D 811

Chain	Residue
D	LYS349
E	HOH57

site_id	CC9
Number of Residues	2
Details	BINDING SITE FOR RESIDUE CL G 812

Chain	Residue
G	HOH98
G	LYS349

site_id	DC1
Number of Residues	8
Details	BINDING SITE FOR RESIDUE CO6 A 500

Chain	Residue
A	HOH130
A	ARG230
A	SER245
A	ASN339
A	GLY341
A	GLY363
A	THR364
A	ILE365

site_id	DC2
Number of Residues	9
Details	BINDING SITE FOR RESIDUE CO6 B 500

Chain	Residue
B	ARG230
B	SER245
B	PHE246
B	MET247
B	ASN339
B	GLY341
B	GLY363
B	THR364
B	ILE365

site_id	DC3
Number of Residues	10
Details	BINDING SITE FOR RESIDUE CO6 C 500

Chain	Residue
C	HOH81
C	HOH104
C	ARG230
C	SER245
C	GLN317
C	ASN339
C	GLY341
C	GLY363
C	THR364
C	ILE365

site_id	DC4
Number of Residues	8
Details	BINDING SITE FOR RESIDUE CO6 D 500

Chain	Residue
D	ARG230
D	LYS234
D	SER245
D	PHE246
D	ASN339
D	GLY341
D	GLY363
D	ILE365

site_id	DC5
Number of Residues	12
Details	BINDING SITE FOR RESIDUE CO6 E 500

Chain	Residue
E	ARG230
E	LYS243
E	SER245
E	PHE246
E	MET247
E	ILE285
E	GLN317
E	ASN339
E	SER342
E	GLY363
E	THR364
E	ILE365

site_id	DC6
Number of Residues	9
Details	BINDING SITE FOR RESIDUE CO6 F 500

Chain	Residue
F	ARG230
F	SER245
F	PHE246
F	ASN339
F	GLY341
F	SER342
F	GLY363
F	THR364
F	ILE365

site_id	DC7
Number of Residues	9
Details	BINDING SITE FOR RESIDUE CO6 G 500

Chain	Residue
G	ARG230
G	SER245
G	PHE246
G	MET247
G	ASN339
G	GLY341
G	GLY363
G	THR364
G	ILE365

site_id	DC8
Number of Residues	10
Details	BINDING SITE FOR RESIDUE CO6 H 500

Chain	Residue
H	ARG230
H	SER245
H	PHE246
H	MET247
H	ASN339
H	GLY341
H	SER342
H	GLY363
H	THR364
H	ILE365

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	16
Details	Active site: {"evidences":[{"evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

site_id	SWS_FT_FI2
Number of Residues	72
Details	Binding site: {"evidences":[{"source":"PubMed","id":"17124494","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2II4","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

site_id	SWS_FT_FI3
Number of Residues	24
Details	Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

site_id	SWS_FT_FI4
Number of Residues	8
Details	Modified residue: {"description":"N6-succinyllysine","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

site_id	SWS_FT_FI5
Number of Residues	16
Details	Modified residue: {"description":"N6-succinyllysine; alternate","evidences":[{"source":"UniProtKB","id":"P53395","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

site_id	SWS_FT_FI6
Number of Residues	8
Details	Modified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P11182","evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

244693

PDB entries from 2025-11-12

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