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1Q0N
Asym. Unit
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Asym.Unit (75 KB)
Biol.Unit 1 (70 KB)
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(1)
Title
:
CRYSTAL STRUCTURE OF A TERNARY COMPLEX OF 6-HYDROXYMETHYL-7, 8-DIHYDROPTERIN PYROPHOSPHOKINASE FROM E. COLI WITH MGAMPCPP AND 6-HYDROXYMETHYL-7,8-DIHYDROPTERIN AT 1.25 ANGSTROM RESOLUTION
Authors
:
J. Blaszczyk, X. Ji
Date
:
16 Jul 03 (Deposition) - 26 Aug 03 (Release) - 24 Feb 09 (Revision)
Method
:
X-RAY DIFFRACTION
Resolution
:
1.25
Chains
:
Asym. Unit : A
Biol. Unit 1: A (1x)
Keywords
:
Pyrophosphokinase, Pyrophosphoryl Transfer, Folate, Hppk, Pterin, 6-Hydroxymethyl-7, 8-Dihydropterin, Ternary Complex, Substrate Specificity, Antimicrobial Agent, Drug Design, X- Ray Crystallography, Transferase
(Keyword Search:
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Gene Ontology, PubMed, Web (Google)
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Reference
:
J. Blaszczyk, G. Shi, H. Yan, X. Ji
Catalytic Center Assembly Of Hppk As Revealed By The Crystal Structure Of A Ternary Complex At 1. 25 A Resolution
Structure V. 8 1049 2000
(for further references see the
PDB file header
)
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Hetero Components
(5, 9)
Info
All Hetero Components
1a: ACETATE ION (ACTa)
1b: ACETATE ION (ACTb)
1c: ACETATE ION (ACTc)
1d: ACETATE ION (ACTd)
2a: DIPHOSPHOMETHYLPHOSPHONIC ACID ADE... (APCa)
3a: CHLORIDE ION (CLa)
4a: MAGNESIUM ION (MGa)
4b: MAGNESIUM ION (MGb)
5a: 2-AMINO-6-HYDROXYMETHYL-7,8-DIHYDR... (PH2a)
View:
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Label:
No.
Name
Count
Type
Full Name
1
ACT
4
Ligand/Ion
ACETATE ION
2
APC
1
Ligand/Ion
DIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER
3
CL
1
Ligand/Ion
CHLORIDE ION
4
MG
2
Ligand/Ion
MAGNESIUM ION
5
PH2
1
Ligand/Ion
2-AMINO-6-HYDROXYMETHYL-7,8-DIHYDRO-3H-PTERIDIN-4-ONE
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Sites
(9, 9)
Info
All Sites
1: AC1 (SOFTWARE)
2: AC2 (SOFTWARE)
3: AC3 (SOFTWARE)
4: AC4 (SOFTWARE)
5: AC5 (SOFTWARE)
6: AC6 (SOFTWARE)
7: AC7 (SOFTWARE)
8: AC8 (SOFTWARE)
9: AC9 (SOFTWARE)
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No.
Name
Evidence
Residues
Description
1
AC1
SOFTWARE
ASP A:95 , ASP A:97 , MG A:162 , APC A:171 , HOH A:212 , HOH A:226
BINDING SITE FOR RESIDUE MG A 161
2
AC2
SOFTWARE
ASP A:95 , ASP A:97 , MG A:161 , APC A:171 , PH2 A:181 , HOH A:216
BINDING SITE FOR RESIDUE MG A 162
3
AC3
SOFTWARE
PHE A:137 , PRO A:138 , ASP A:139 , HOH A:219 , HOH A:362
BINDING SITE FOR RESIDUE CL A 163
4
AC4
SOFTWARE
TYR A:116 , APC A:171 , HOH A:204 , HOH A:254 , HOH A:378
BINDING SITE FOR RESIDUE ACT A 164
5
AC5
SOFTWARE
GLU A:30 , SER A:31 , HIS A:32 , HOH A:341 , HOH A:438 , HOH A:470 , HOH A:475
BINDING SITE FOR RESIDUE ACT A 165
6
AC6
SOFTWARE
LEU A:11 , PRO A:51 , ALA A:65 , PRO A:66 , HOH A:266 , HOH A:318 , HOH A:331 , HOH A:350 , HOH A:428
BINDING SITE FOR RESIDUE ACT A 166
7
AC7
SOFTWARE
GLY A:46 , TRP A:89 , HOH A:415
BINDING SITE FOR RESIDUE ACT A 167
8
AC8
SOFTWARE
GLN A:74 , ARG A:84 , TRP A:89 , ARG A:92 , ASP A:95 , ASP A:97 , ILE A:98 , ARG A:110 , LEU A:111 , THR A:112 , HIS A:115 , TYR A:116 , ARG A:121 , MG A:161 , MG A:162 , ACT A:164 , PH2 A:181 , HOH A:212 , HOH A:216 , HOH A:226 , HOH A:251 , HOH A:254 , HOH A:255 , HOH A:274 , HOH A:309 , HOH A:342 , HOH A:351 , HOH A:363 , HOH A:382
BINDING SITE FOR RESIDUE APC A 171
9
AC9
SOFTWARE
THR A:42 , PRO A:43 , LEU A:45 , TYR A:53 , ASN A:55 , TRP A:89 , ASP A:95 , PHE A:123 , MG A:162 , APC A:171 , HOH A:205 , HOH A:216 , HOH A:245 , HOH A:382
BINDING SITE FOR RESIDUE PH2 A 181
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SAPs(SNPs)/Variants
(0, 0)
Info
(mutated residues are not available)
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PROSITE Patterns/Profiles
(1, 1)
Info
All PROSITE Patterns/Profiles
1: HPPK (A:88-99)
;
View:
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End label:
PROSITE
UniProtKB
PDB
No.
ID
AC
Description
ID
Location
Count
Location
1
HPPK
PS00794
7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase signature.
HPPK_ECOLI
89-100
1
A:88-99
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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, 1)
Info
All SCOP Domains
1a: SCOP_d1q0na_ (A:)
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Protein Domains
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(
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Organisms
(
)
(
)
Class
:
Alpha and beta proteins (a+b)
(23004)
Fold
:
Ferredoxin-like
(1795)
Superfamily
:
6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK
(45)
Family
:
6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK
(45)
Protein domain
:
6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK
(42)
Escherichia coli [TaxId: 562]
(37)
1a
d1q0na_
A:
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CATH Domains
(1, 1)
Info
all CATH domains
1a: CATH_1q0nA00 (A:1-158)
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Class
:
Alpha Beta
(26913)
Architecture
:
2-Layer Sandwich
(8480)
Topology
:
Alpha-Beta Plaits
(1688)
Homologous Superfamily
:
[code=3.30.70.560, no name defined]
(27)
Escherichia coli. Organism_taxid: 562.
(11)
1a
1q0nA00
A:1-158
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Pfam Domains
(1, 1)
Info
all PFAM domains
1a: PFAM_HPPK_1q0nA01 (A:4-131)
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Clan
:
no clan defined [family: HPPK]
(13)
Family
:
HPPK
(13)
Escherichia coli (strain K12)
(12)
1a
HPPK-1q0nA01
A:4-131
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Asymmetric Unit 1
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