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1HKB
Biol. Unit 1
Info
Asym.Unit (298 KB)
Biol.Unit 1 (148 KB)
Biol.Unit 2 (149 KB)
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(1)
Title
:
CRYSTAL STRUCTURE OF RECOMBINANT HUMAN BRAIN HEXOKINASE TYPE I COMPLEXED WITH GLUCOSE AND GLUCOSE-6-PHOSPHATE
Authors
:
A. E. Aleshin, C. Zeng, G. P. Burenkov, H. D. Bartunik, H. J. Fromm, R. B. Honzatko
Date
:
01 Dec 97 (Deposition) - 03 Jun 98 (Release) - 04 Aug 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
2.80
Chains
:
Asym. Unit : A,B
Biol. Unit 1: A (1x)
Biol. Unit 2: B (1x)
Keywords
:
Phosphotransferase, Glycolysis, Allosteric Enzyme, Glucose, Glucose-6-Phosphate
(Keyword Search:
[
Gene Ontology, PubMed, Web (Google)
]
)
Reference
:
A. E. Aleshin, C. Zeng, G. P. Bourenkov, H. D. Bartunik, H. J. Fromm, R. B. Honzatko
The Mechanism Of Regulation Of Hexokinase: New Insights From The Crystal Structure Of Recombinant Human Brain Hexokinase Complexed With Glucose And Glucose-6-Phosphate.
Structure V. 6 39 1998
(for further references see the
PDB file header
)
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Hetero Components
(2, 4)
Info
All Hetero Components
1a: BETA-D-GLUCOSE (BGCa)
1b: BETA-D-GLUCOSE (BGCb)
1c: BETA-D-GLUCOSE (BGCc)
1d: BETA-D-GLUCOSE (BGCd)
2a: CALCIUM ION (CAa)
2b: CALCIUM ION (CAb)
2c: CALCIUM ION (CAc)
2d: CALCIUM ION (CAd)
3a: ALPHA-D-GLUCOSE-6-PHOSPHATE (G6Pa)
3b: ALPHA-D-GLUCOSE-6-PHOSPHATE (G6Pb)
3c: ALPHA-D-GLUCOSE-6-PHOSPHATE (G6Pc)
3d: ALPHA-D-GLUCOSE-6-PHOSPHATE (G6Pd)
View:
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Label:
No.
Name
Count
Type
Full Name
1
BGC
2
Ligand/Ion
BETA-D-GLUCOSE
2
CA
-1
Ligand/Ion
CALCIUM ION
3
G6P
2
Ligand/Ion
ALPHA-D-GLUCOSE-6-PHOSPHATE
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Sites
(6, 6)
Info
All Sites
1: 6CA (UNKNOWN)
2: 6NA (UNKNOWN)
3: GCA (UNKNOWN)
4: GNA (UNKNOWN)
5: MCA (UNKNOWN)
6: MNA (UNKNOWN)
View:
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Label:
No.
Name
Evidence
Residues
Description
1
6CA
UNKNOWN
SER A:603 , ASP A:657 , SER A:897 , ASP A:532 , ASP A:861 , THR A:863 , THR A:680 , THR A:536
GLUCOSE-6-PHOSPHATE BINDING SITE IN C- TERMINAL DOMAIN.
2
6NA
UNKNOWN
SER A:155 , ASP A:209 , SER A:449 , ASP A:84 , ASP A:413 , SER A:415 , ILE A:230 , SER A:88
GLUCOSE-6-PHOSPHATE BINDING SITE IN N- TERMINAL DOMAIN.
3
GCA
UNKNOWN
GLU A:742 , THR A:620 , GLU A:708 , ASN A:656 , ASP A:657 , ASN A:683 , LYS A:621
GLUCOSE BINDING SITE IN C-TERMINAL DOMAIN.
4
GNA
UNKNOWN
GLU A:294 , THR A:172 , GLU A:260 , ASN A:208 , ASP A:209 , ASN A:235 , LYS A:173
GLUCOSE BINDING SITE IN N-TERMINAL DOMAIN.
5
MCA
UNKNOWN
MET A:690 , VAL A:693 , VAL A:696 , GLY A:698
METAL ION BINDING SITE IN C-TERMINAL DOMAIN.
6
MNA
UNKNOWN
LEU A:242 , ILE A:245 , VAL A:248 , GLY A:250
METAL ION BINDING SITE IN N-TERMINAL DOMAIN.
[
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SAPs(SNPs)/Variants
(3, 3)
Info
(mutated residues are only available for the asymmetric unit)
All SNPs/Variants
1: VAR_009878 (L529S, chain A, )
2: VAR_023780 (T680S, chain A, )
3: VAR_023781 (L776M, chain A, )
View:
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Label:
dbSNP
PDB
No.
Source
Variant ID
Variant
UniProt ID
Status
ID
Chain
Variant
1
UniProt
VAR_009878
L
529
S
HXK1_HUMAN
Disease (HK deficiency)
---
A
L
529
S
2
UniProt
VAR_023780
T
680
S
HXK1_HUMAN
Disease (HK deficiency)
---
A
T
680
S
3
UniProt
VAR_023781
L
776
M
HXK1_HUMAN
Polymorphism
1054203
A
L
776
M
SNP/SAP Summary Statistics
(UniProtKB/Swiss-Prot)
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PROSITE Patterns/Profiles
(2, 4)
Info
All PROSITE Patterns/Profiles
1: HEXOKINASE_2 (A:16-458,A:464-906)
2: HEXOKINASE_1 (A:150-175,A:598-623)
;
View:
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
HEXOKINASE_2
PS51748
Hexokinase domain profile.
HXK1_HUMAN
16-458
464-906
2
A:16-458
-
A:464-906
-
2
HEXOKINASE_1
PS00378
Hexokinase domain signature.
HXK1_HUMAN
150-175
598-623
2
A:150-175
-
A:598-623
-
[
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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.
(no "Exon" information available for biological units yet)
SCOP Domains
(1, 8)
Info
All SCOP Domains
1a: SCOP_d1hkba1 (A:16-222)
1b: SCOP_d1hkba2 (A:223-465)
1c: SCOP_d1hkba3 (A:466-670)
1d: SCOP_d1hkba4 (A:671-914)
1e: SCOP_d1hkbb1 (B:16-222)
1f: SCOP_d1hkbb2 (B:223-465)
1g: SCOP_d1hkbb3 (B:466-670)
1h: SCOP_d1hkbb4 (B:671-914)
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(
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)
(
)
Protein Domains
(
)
(
)
Organisms
(
)
(
)
Class
:
Alpha and beta proteins (a/b)
(23833)
Fold
:
Ribonuclease H-like motif
(1424)
Superfamily
:
Actin-like ATPase domain
(426)
Family
:
Hexokinase
(19)
Protein domain
:
Mammalian type I hexokinase
(11)
Human (Homo sapiens) [TaxId: 9606]
(10)
1a
d1hkba1
A:16-222
1b
d1hkba2
A:223-465
1c
d1hkba3
A:466-670
1d
d1hkba4
A:671-914
1e
d1hkbb1
B:16-222
1f
d1hkbb2
B:223-465
1g
d1hkbb3
B:466-670
1h
d1hkbb4
B:671-914
[
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CATH Domains
(2, 8)
Info
all CATH domains
1a: CATH_1hkbA03 (A:513-670,A:894-914)
1b: CATH_1hkbB03 (B:513-670,B:894-914)
1c: CATH_1hkbA01 (A:54-222,A:446-463)
1d: CATH_1hkbB01 (B:54-222,B:446-463)
2a: CATH_1hkbA02 (A:16-53,A:223-445)
2b: CATH_1hkbB02 (B:16-53,B:223-445)
2c: CATH_1hkbA04 (A:481-512,A:671-892)
2d: CATH_1hkbB04 (B:481-512,B:671-892)
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)
(
)
Organisms
(
)
(
)
Class
:
Alpha Beta
(26913)
Architecture
:
2-Layer Sandwich
(8480)
Topology
:
Nucleotidyltransferase; domain 5
(788)
Homologous Superfamily
:
[code=3.30.420.40, no name defined]
(217)
Human (Homo sapiens)
(36)
1a
1hkbA03
A:513-670,A:894-914
1b
1hkbB03
B:513-670,B:894-914
1c
1hkbA01
A:54-222,A:446-463
1d
1hkbB01
B:54-222,B:446-463
Architecture
:
3-Layer(aba) Sandwich
(12045)
Topology
:
Hexokinase; domain 1
(22)
Homologous Superfamily
:
[code=3.40.367.20, no name defined]
(22)
Human (Homo sapiens)
(16)
2a
1hkbA02
A:16-53,A:223-445
2b
1hkbB02
B:16-53,B:223-445
2c
1hkbA04
A:481-512,A:671-892
2d
1hkbB04
B:481-512,B:671-892
[
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Pfam Domains
(0, 0)
Info
all PFAM domains
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Chain A
Asymmetric Unit 1
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Asym.Unit (298 KB)
Header - Asym.Unit
Biol.Unit 1 (148 KB)
Header - Biol.Unit 1
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