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1O23
Asym. Unit
Info
Asym.Unit (149 KB)
Biol.Unit 1 (74 KB)
Biol.Unit 2 (73 KB)
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(1)
Title
:
CRYSTAL STRUCTURE OF LACTOSE SYNTHASE IN THE PRESENCE OF UDP-GLUCOSE
Authors
:
B. Ramakrishnan, P. S. Shah, P. K. Qasba
Date
:
29 Jan 03 (Deposition) - 25 Feb 03 (Release) - 08 May 13 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.32
Chains
:
Asym. Unit : A,B,C,D
Biol. Unit 1: A,B (1x)
Biol. Unit 2: C,D (1x)
Keywords
:
Alpha-Lactalbumin; Beta, 1, 4-Galactosyltransferase; Udp-Glucose, Transferase Activator-Transferase Complex
(Keyword Search:
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Reference
:
B. Ramakrishnan, P. S. Shah, P. K. Qasba
Alpha-Lactalbumin (La) Stimulates Milk Beta-1, 4-Galactosyltransferase I (Beta 4Gal-T1) To Transfer Glucose From Udp-Glucose To N-Acetylglucosamine. Crystal Structure Of Beta 4Gal-T1 X La Complex With Udp-Glc.
J. Biol. Chem. V. 276 37665 2001
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Hetero Components
(6, 11)
Info
All Hetero Components
1a: CALCIUM ION (CAa)
1b: CALCIUM ION (CAb)
2a: 2-(N-MORPHOLINO)-ETHANESULFONIC AC... (MESa)
3a: MANGANESE (II) ION (MNa)
3b: MANGANESE (II) ION (MNb)
4a: TETRAETHYLENE GLYCOL (PG4a)
4b: TETRAETHYLENE GLYCOL (PG4b)
5a: URIDINE-5'-DIPHOSPHATE (UDPa)
5b: URIDINE-5'-DIPHOSPHATE (UDPb)
6a: URIDINE-5'-DIPHOSPHATE-GLUCOSE (UPGa)
6b: URIDINE-5'-DIPHOSPHATE-GLUCOSE (UPGb)
View:
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Label:
No.
Name
Count
Type
Full Name
1
CA
2
Ligand/Ion
CALCIUM ION
2
MES
1
Ligand/Ion
2-(N-MORPHOLINO)-ETHANESULFONIC ACID
3
MN
2
Ligand/Ion
MANGANESE (II) ION
4
PG4
2
Ligand/Ion
TETRAETHYLENE GLYCOL
5
UDP
2
Ligand/Ion
URIDINE-5'-DIPHOSPHATE
6
UPG
2
Ligand/Ion
URIDINE-5'-DIPHOSPHATE-GLUCOSE
[
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Sites
(11, 11)
Info
All Sites
01: AC1 (SOFTWARE)
02: AC2 (SOFTWARE)
03: AC3 (SOFTWARE)
04: AC4 (SOFTWARE)
05: AC5 (SOFTWARE)
06: AC6 (SOFTWARE)
07: AC7 (SOFTWARE)
08: AC8 (SOFTWARE)
09: AC9 (SOFTWARE)
10: BC1 (SOFTWARE)
11: BC2 (SOFTWARE)
View:
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Label:
No.
Name
Evidence
Residues
Description
01
AC1
SOFTWARE
LYS A:79 , ASP A:82 , GLU A:84 , ASP A:87 , ASP A:88 , HOH A:903 , HOH A:912
BINDING SITE FOR RESIDUE CA A 805
02
AC2
SOFTWARE
LYS C:481 , ASP C:484 , GLU C:486 , ASP C:489 , ASP C:490 , HOH C:911 , HOH C:944
BINDING SITE FOR RESIDUE CA C 806
03
AC3
SOFTWARE
ASP B:254 , MET B:344 , HIS B:347 , UPG B:809 , HOH B:919
BINDING SITE FOR RESIDUE MN B 807
04
AC4
SOFTWARE
ASP D:656 , MET D:746 , HIS D:749 , UPG D:810 , HOH D:907
BINDING SITE FOR RESIDUE MN D 808
05
AC5
SOFTWARE
PRO B:187 , PHE B:188 , ARG B:189 , ARG B:191 , PHE B:226 , ARG B:228 , ASP B:252 , VAL B:253 , ASP B:254 , TYR B:289 , GLY B:292 , TRP B:314 , GLU B:317 , ASP B:318 , MET B:344 , HIS B:347 , ASP B:350 , MN B:807 , HOH B:919 , HOH B:960 , HOH B:962 , HOH B:1017 , HOH B:1034 , HOH B:1060 , HOH B:1081
BINDING SITE FOR RESIDUE UPG B 809
06
AC6
SOFTWARE
PRO D:589 , PHE D:590 , ARG D:591 , ARG D:593 , PHE D:628 , ARG D:630 , ASP D:654 , VAL D:655 , ASP D:656 , TYR D:691 , GLY D:694 , TRP D:716 , GLY D:717 , GLU D:719 , ASP D:720 , MET D:746 , HIS D:749 , ASP D:752 , MN D:808 , HOH D:907 , HOH D:909 , HOH D:1002 , HOH D:1135 , HOH D:1198 , HOH D:1203
BINDING SITE FOR RESIDUE UPG D 810
07
AC7
SOFTWARE
LEU B:155 , LYS B:156 , GLU B:159 , GLN B:192 , GLN B:386 , TYR B:388 , PRO B:389 , LEU B:390 , TYR B:391 , LYS B:393
BINDING SITE FOR RESIDUE UDP B 811
08
AC8
SOFTWARE
LEU D:557 , LYS D:558 , TYR D:790 , PRO D:791 , LEU D:792 , TYR D:793 , LYS D:795 , HOH D:1098 , HOH D:1182 , HOH D:1233
BINDING SITE FOR RESIDUE UDP D 812
09
AC9
SOFTWARE
GLU A:2 , PHE A:31 , HIS A:32 , THR A:33 , SER A:34 , GLY A:35 , ALA A:40 , HOH A:950 , HOH A:1271 , LYS B:279 , TRP B:314 , ARG B:349
BINDING SITE FOR RESIDUE PG4 A 813
10
BC1
SOFTWARE
PHE C:433 , HIS C:434 , THR C:435 , SER C:436 , GLY C:437 , HOH C:926 , HOH C:1030 , HOH C:1330 , PHE D:682 , TRP D:716 , ARG D:751
BINDING SITE FOR RESIDUE PG4 C 814
11
BC2
SOFTWARE
LYS A:114 , LEU A:115 , GLU A:116 , HOH A:948
BINDING SITE FOR RESIDUE MES A 815
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
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PROSITE Patterns/Profiles
(2, 4)
Info
All PROSITE Patterns/Profiles
1: LACTALBUMIN_LYSOZYME_2 (A:1-123,C:403-525)
2: LACTALBUMIN_LYSOZYME_1 (A:73-91,C:475-493)
;
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
LACTALBUMIN_LYSOZYME_2
PS51348
Alpha-lactalbumin / lysozyme C family profile.
LALBA_MOUSE
21-143
2
A:1-123
C:403-525
2
LACTALBUMIN_LYSOZYME_1
PS00128
Alpha-lactalbumin / lysozyme C signature.
LALBA_MOUSE
93-111
2
A:73-91
C:475-493
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Exons
(0, 0)
Info
All Exons
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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
(2, 4)
Info
All SCOP Domains
1a: SCOP_d1o23a_ (A:)
1b: SCOP_d1o23c_ (C:)
2a: SCOP_d1o23b_ (B:)
2b: SCOP_d1o23d_ (D:)
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Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
Alpha and beta proteins (a+b)
(23004)
Fold
:
Lysozyme-like
(1361)
Superfamily
:
Lysozyme-like
(1361)
Family
:
C-type lysozyme
(738)
Protein domain
:
alpha-Lactalbumin
(25)
Mouse (Mus musculus) [TaxId: 10090]
(12)
1a
d1o23a_
A:
1b
d1o23c_
C:
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
Nucleotide-diphospho-sugar transferases
(408)
Superfamily
:
Nucleotide-diphospho-sugar transferases
(408)
Family
:
beta 1,4 galactosyltransferase (b4GalT1)
(39)
Protein domain
:
beta 1,4 galactosyltransferase (b4GalT1)
(20)
Cow (Bos taurus) [TaxId: 9913]
(20)
2a
d1o23b_
B:
2b
d1o23d_
D:
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CATH Domains
(2, 4)
Info
all CATH domains
1a: CATH_1o23B00 (B:131-402)
1b: CATH_1o23D00 (D:533-804)
2a: CATH_1o23A00 (A:1-123)
2b: CATH_1o23C00 (C:403-525)
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Homologous Superfamilies
(
)
(
)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
Alpha-Beta Complex
(3881)
Topology
:
Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A
(231)
Homologous Superfamily
:
Spore Coat Polysaccharide Biosynthesis Protein SpsA; Chain A
(231)
House mouse (Mus musculus)
(18)
1a
1o23B00
B:131-402
1b
1o23D00
D:533-804
Class
:
Mainly Alpha
(13335)
Architecture
:
Orthogonal Bundle
(10391)
Topology
:
Lysozyme
(1131)
Homologous Superfamily
:
[code=1.10.530.10, no name defined]
(605)
House mouse (Mus musculus)
(61)
2a
1o23A00
A:1-123
2b
1o23C00
C:403-525
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Pfam Domains
(3, 6)
Info
all PFAM domains
1a: PFAM_Glyco_transf_7C_1o23D01 (D:673-752)
1b: PFAM_Glyco_transf_7C_1o23D02 (D:673-752)
2a: PFAM_Glyco_transf_7N_1o23D03 (D:536-671)
2b: PFAM_Glyco_transf_7N_1o23D04 (D:536-671)
3a: PFAM_Lys_1o23C01 (C:403-522)
3b: PFAM_Lys_1o23C02 (C:403-522)
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)
Clan
:
GT-A
(172)
Family
:
Glyco_transf_7C
(16)
Bos taurus (Bovine)
(15)
1a
Glyco_transf_7C-1o23D01
D:673-752
1b
Glyco_transf_7C-1o23D02
D:673-752
Family
:
Glyco_transf_7N
(16)
Bos taurus (Bovine)
(15)
2a
Glyco_transf_7N-1o23D03
D:536-671
2b
Glyco_transf_7N-1o23D04
D:536-671
Clan
:
Lysozyme
(266)
Family
:
Lys
(245)
Mus musculus (Mouse)
(10)
3a
Lys-1o23C01
C:403-522
3b
Lys-1o23C02
C:403-522
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