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1NQF
Asym. Unit
Info
Asym.Unit (102 KB)
Biol.Unit 1 (94 KB)
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(1)
Title
:
OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI, METHIONINE SUBSTIUTION CONSTRUCT FOR SE-MET SAD PHASING
Authors
:
D. P. Chimento, A. K. Mohanty, R. J. Kadner, M. C. Wiener
Date
:
21 Jan 03 (Deposition) - 29 Apr 03 (Release) - 13 Jul 11 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.70
Chains
:
Asym. Unit : A
Biol. Unit 1: A (1x)
Keywords
:
Beta Barrel, Cobalamin, Vitamin B12, Outer Membrane Transport, Transport Protein
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
D. P. Chimento, A. K. Mohanty, R. J. Kadner, M. C. Wiener
Substrate-Induced Transmembrane Signaling In The Cobalamin Transporter Btub
Nat. Struct. Biol. V. 10 394 2003
(for further references see the
PDB file header
)
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Hetero Components
(3, 15)
Info
All Hetero Components
1a: (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTA... (C8Ea)
1b: (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTA... (C8Eb)
1c: (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTA... (C8Ec)
1d: (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTA... (C8Ed)
1e: (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTA... (C8Ee)
1f: (HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTA... (C8Ef)
2a: MAGNESIUM ION (MGa)
3a: SELENOMETHIONINE (MSEa)
3b: SELENOMETHIONINE (MSEb)
3c: SELENOMETHIONINE (MSEc)
3d: SELENOMETHIONINE (MSEd)
3e: SELENOMETHIONINE (MSEe)
3f: SELENOMETHIONINE (MSEf)
3g: SELENOMETHIONINE (MSEg)
3h: SELENOMETHIONINE (MSEh)
View:
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Label:
No.
Name
Count
Type
Full Name
1
C8E
6
Ligand/Ion
(HYDROXYETHYLOXY)TRI(ETHYLOXY)OCTANE
2
MG
1
Ligand/Ion
MAGNESIUM ION
3
MSE
8
Mod. Amino Acid
SELENOMETHIONINE
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Sites
(7, 7)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
5: AC5 (SOFTWARE)
6: AC6 (SOFTWARE)
7: AC7 (SOFTWARE)
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Label:
No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
HIS A:174 , HIS A:176 , HIS A:449
BINDING SITE FOR RESIDUE MG A 806
2
AC2
SOFTWARE
ARG A:358 , SER A:359 , ARG A:367 , GLY A:369 , THR A:370 , PHE A:470 , ASP A:471 , THR A:472 , GLY A:473 , C8E A:805 , HOH A:832
BINDING SITE FOR RESIDUE C8E A 800
3
AC3
SOFTWARE
MSE A:317 , THR A:338 , ASP A:361 , ASN A:362 , SER A:363 , PHE A:379 , TYR A:383 , PHE A:422
BINDING SITE FOR RESIDUE C8E A 801
4
AC4
SOFTWARE
TRP A:300 , ASN A:302 , VAL A:304 , ALA A:313 , VAL A:315 , TRP A:431 , TYR A:481
BINDING SITE FOR RESIDUE C8E A 802
5
AC5
SOFTWARE
ILE A:311 , LEU A:342 , GLY A:344 , THR A:373 , C8E A:805
BINDING SITE FOR RESIDUE C8E A 803
6
AC6
SOFTWARE
SER A:434 , GLY A:435 , TYR A:436 , ARG A:437 , LYS A:462 , GLY A:463 , VAL A:464
BINDING SITE FOR RESIDUE C8E A 804
7
AC7
SOFTWARE
ALA A:357 , TRP A:371 , GLY A:473 , HIS A:477 , C8E A:800 , C8E A:803 , HOH A:832
BINDING SITE FOR RESIDUE C8E A 805
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
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Sorry, no Info available
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PROSITE Patterns/Profiles
(1, 1)
Info
All PROSITE Patterns/Profiles
1: TONB_DEPENDENT_REC_2 (A:577-594)
;
View:
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
TONB_DEPENDENT_REC_2
PS01156
TonB-dependent receptor proteins signature 2.
BTUB_ECOLI
597-614
1
A:577-594
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Exons
(0, 0)
Info
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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, 1)
Info
All SCOP Domains
1a: SCOP_d1nqfa_ (A:)
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Protein Domains
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)
(
)
Organisms
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(
)
Class
:
Membrane and cell surface proteins and peptides
(2046)
Fold
:
Transmembrane beta-barrels
(143)
Superfamily
:
Porins
(99)
Family
:
Ligand-gated protein channel
(29)
Protein domain
:
Outer membrane cobalamin transporter BtuB
(12)
Escherichia coli [TaxId: 562]
(12)
1a
d1nqfa_
A:
[
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CATH Domains
(2, 2)
Info
all CATH domains
1a: CATH_1nqfA02 (A:131-594)
2a: CATH_1nqfA01 (A:7-130)
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)
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)
(
)
Homologous Superfamilies
(
)
(
)
Organisms
(
)
(
)
Class
:
Mainly Beta
(13760)
Architecture
:
Beta Barrel
(4804)
Topology
:
Maltoporin; Chain A
(39)
Homologous Superfamily
:
[code=2.40.170.20, no name defined]
(28)
Escherichia coli. Organism_taxid: 562.
(11)
1a
1nqfA02
A:131-594
Architecture
:
Beta Complex
(381)
Topology
:
Ferric Hydroxamate Uptake Protein; Chain A, domain 1
(37)
Homologous Superfamily
:
Ferric Hydroxamate Uptake Protein; Chain A, domain 1
(36)
Escherichia coli. Organism_taxid: 562.
(11)
2a
1nqfA01
A:7-130
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Pfam Domains
(2, 2)
Info
all PFAM domains
1a: PFAM_TonB_dep_Rec_1nqfA01 (A:370-593)
2a: PFAM_Plug_1nqfA02 (A:18-126)
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)
Clan
:
MBB
(97)
Family
:
TonB_dep_Rec
(26)
Escherichia coli (strain K12)
(16)
1a
TonB_dep_Rec-1nqfA01
A:370-593
Clan
:
Ubiquitin
(279)
Family
:
Plug
(26)
Escherichia coli (strain K12)
(16)
2a
Plug-1nqfA02
A:18-126
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Chain A
Asymmetric Unit 1
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