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1LBH
Asym. Unit
Info
Asym.Unit (182 KB)
Biol.Unit 1 (176 KB)
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(1)
Title
:
INTACT LACTOSE OPERON REPRESSOR WITH GRATUITOUS INDUCER IPTG
Authors
:
M. Lewis, G. Chang, N. C. Horton, M. A. Kercher, H. C. Pace, P. Lu
Date
:
17 Feb 96 (Deposition) - 11 Jul 96 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
3.20
Chains
:
Asym. Unit : A,B,C,D
Biol. Unit 1: A,B,C,D (1x)
Keywords
:
Transcription Regulation, Dna-Binding, Repressor
(Keyword Search:
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Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
M. Lewis, G. Chang, N. C. Horton, M. A. Kercher, H. C. Pace, M. A. Schumacher, R. G. Brennan, P. Lu
Crystal Structure Of The Lactose Operon Repressor And Its Complexes With Dna And Inducer.
Science V. 271 1247 1996
(for further references see the
PDB file header
)
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Hetero Components
(1, 4)
Info
All Hetero Components
1a: ISOPROPYL-1-BETA-D-THIOGALACTOSIDE (IPTa)
1b: ISOPROPYL-1-BETA-D-THIOGALACTOSIDE (IPTb)
1c: ISOPROPYL-1-BETA-D-THIOGALACTOSIDE (IPTc)
1d: ISOPROPYL-1-BETA-D-THIOGALACTOSIDE (IPTd)
View:
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Label:
No.
Name
Count
Type
Full Name
1
IPT
4
Ligand/Ion
ISOPROPYL-1-BETA-D-THIOGALACTOSIDE
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Sites
(4, 4)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
SER A:69 , ALA A:75 , ILE A:79 , ASP A:149 , SER A:191 , ARG A:197 , TRP A:220 , ASN A:246 , ASP A:274 , GLN A:291
BINDING SITE FOR RESIDUE IPT A 400
2
AC2
SOFTWARE
SER B:69 , ASP B:149 , ARG B:197 , TRP B:220 , ASN B:246 , ASP B:274 , GLN B:291
BINDING SITE FOR RESIDUE IPT B 400
3
AC3
SOFTWARE
SER C:69 , ILE C:79 , ASN C:125 , ASP C:149 , ARG C:197 , ASN C:246 , ASP C:274
BINDING SITE FOR RESIDUE IPT C 400
4
AC4
SOFTWARE
SER D:69 , ASP D:149 , SER D:191 , SER D:193 , ARG D:197 , ASN D:246 , ASP D:274 , GLN D:291
BINDING SITE FOR RESIDUE IPT D 400
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SAPs(SNPs)/Variants
(1, 4)
Info
(mutated residues are not available)
All SNPs/Variants
1: VAR_LACI_ECOLI_001 (Y282D, chain A/B/C/D, )
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dbSNP
PDB
No.
Source
Variant ID
Variant
UniProt ID
Status
ID
Chain
Variant
1
UniProt
VAR_LACI_ECOLI_001
*
Y
282
D
LACI_ECOLI
---
---
A/B/C/D
Y
282
D
* ID not provided by source
SNP/SAP Summary Statistics
(UniProtKB/Swiss-Prot)
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PROSITE Patterns/Profiles
(0, 0)
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Exons
(0, 0)
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Note:
Exon boundaries colored in "red" are actually farther away from the residue due to missing residues in the structure.
SCOP Domains
(1, 4)
Info
All SCOP Domains
1a: SCOP_d1lbha_ (A:)
1b: SCOP_d1lbhb_ (B:)
1c: SCOP_d1lbhc_ (C:)
1d: SCOP_d1lbhd_ (D:)
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Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
Periplasmic binding protein-like I
(179)
Superfamily
:
Periplasmic binding protein-like I
(179)
Family
:
L-arabinose binding protein-like
(114)
Protein domain
:
Lac-repressor (lacR) core (C-terminal domain)
(11)
Escherichia coli [TaxId: 562]
(11)
1a
d1lbha_
A:
1b
d1lbhb_
B:
1c
d1lbhc_
C:
1d
d1lbhd_
D:
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CATH Domains
(1, 8)
Info
all CATH domains
1a: CATH_1lbhA02 (A:162-290,A:321-337)
1b: CATH_1lbhA01 (A:62-161,A:291-320)
1c: CATH_1lbhB01 (B:62-161,B:291-320)
1d: CATH_1lbhC01 (C:62-161,C:291-320)
1e: CATH_1lbhD01 (D:62-161,D:291-320)
1f: CATH_1lbhB02 (B:162-290,B:321-337)
1g: CATH_1lbhC02 (C:162-290,C:321-337)
1h: CATH_1lbhD02 (D:162-290,D:321-337)
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Class
:
Alpha Beta
(26913)
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
Rossmann fold
(7312)
Homologous Superfamily
:
[code=3.40.50.2300, no name defined]
(308)
Escherichia coli. Organism_taxid: 562. Strain: gm1.
(2)
1a
1lbhA02
A:162-290,A:321-337
1b
1lbhA01
A:62-161,A:291-320
1c
1lbhB01
B:62-161,B:291-320
1d
1lbhC01
C:62-161,C:291-320
1e
1lbhD01
D:62-161,D:291-320
1f
1lbhB02
B:162-290,B:321-337
1g
1lbhC02
C:162-290,C:321-337
1h
1lbhD02
D:162-290,D:321-337
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Pfam Domains
(1, 4)
Info
all PFAM domains
1a: PFAM_Peripla_BP_3_1lbhD01 (D:171-329)
1b: PFAM_Peripla_BP_3_1lbhD02 (D:171-329)
1c: PFAM_Peripla_BP_3_1lbhD03 (D:171-329)
1d: PFAM_Peripla_BP_3_1lbhD04 (D:171-329)
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Clan
:
Periplas_BP
(97)
Family
:
Peripla_BP_3
(41)
Escherichia coli (strain K12)
(28)
1a
Peripla_BP_3-1lbhD01
D:171-329
1b
Peripla_BP_3-1lbhD02
D:171-329
1c
Peripla_BP_3-1lbhD03
D:171-329
1d
Peripla_BP_3-1lbhD04
D:171-329
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Asymmetric Unit 1
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Asym.Unit (182 KB)
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