Structure of PDB 1h4s Chain B Binding Site BS01

Receptor Information
>1h4s Chain B (length=473) Species: 274 (Thermus thermophilus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KGLTPQSQDFSEWYLEVIQKAELADYGPVRGTIVVRPYGYAIWENIQQVL
DRMFKETGHQNAYFPLFIPMSFLRKEAEHVEGFSPELAVVTHAGGEELEE
PLAVRPTSETVIGYMWSKWIRSWRDLPQLLNQWGNVVRWEMRTRPFLRTS
EFLWQEGHTAHATREEAEEEVRRMLSIYARLAREYAAIPVIEGLKTEKEK
FAGAVYTTTIEALMKDGKALQAGTSHYLGENFARAFDIKFQDRDLQVKYV
HTTSWGLSWRFIGAIIMTHGDDRGLVLPPRLAPIQVVIVPIYKDESRERV
LEAAQGLRQALLAQGLRVHLDDRDQHTPGYKFHEWELKGVPFRVELGPKD
LEGGQAVLASRLGGKETLPLAALPEALPGKLDAFHEELYRRALAFREDHT
RKVDTYEAFKEAVQEGFALAFHCGDKACERLIQEETTATTRCVPFEAEPE
EGFCVRCGRPSAYGKRVVFAKAY
Ligand information
>1h4s Chain T (length=67) [Search RNA sequence] [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
ggaguagcgcagcccgguagcgcaccucguucgggacgaggggggcgcug
guucagauccagucucc
<<<<..<<<<.........>>>>.<<<<<<.....>>>>>>.....<<<<
<.......>>>>>>>>>
Receptor-Ligand Complex Structure
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PDB1h4s A Succession of Substrate Induced Conformational Changes Ensures the Amino Acid Specificity of Thermus Thermophilus Prolyl-tRNA Synthetase: Comparison with Histidyl-tRNA Synthetase
Resolution2.85 Å
Binding residue
(original residue number in PDB)		K5 I295 Y296 K297 D298 T331 P332 G333 Y334 F336 H337 E340 R347 E349 G351 P352 K353 D354 K369
Binding residue
(residue number reindexed from 1)		K1 I291 Y292 K293 D294 T327 P328 G329 Y330 F332 H333 E336 R343 E345 G347 P348 K349 D350 K365
Enzymatic activity
Catalytic site (original residue number in PDB) E113 R142 H162
Catalytic site (residue number reindexed from 1) E109 R138 H158
Enzyme Commision number 6.1.1.15: proline--tRNA ligase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0004812 aminoacyl-tRNA ligase activity
GO:0004827 proline-tRNA ligase activity
GO:0005524 ATP binding
GO:0046872 metal ion binding
Biological Process
GO:0006412 translation
GO:0006418 tRNA aminoacylation for protein translation
GO:0006433 prolyl-tRNA aminoacylation
Cellular Component
GO:0005737 cytoplasm
GO:0017101 aminoacyl-tRNA synthetase multienzyme complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1h4s, PDBe:1h4s, PDBj:1h4s
PDBsum1h4s
PubMed11399074
UniProtQ5SM28|SYP_THET8 Proline--tRNA ligase (Gene Name=proS)

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