Structure of PDB 5a1t Chain B Binding Site BS01

Receptor Information
>5a1t Chain B (length=328) Species: 5722 (Trichomonas vaginalis) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AAHVLITGAAGQIGYILSHWIASGELYGDRQVYLHLLDIPPAMNRLTALT
MELEDCAFPHLAGFVATTDPKAAFKDIDCAFLVASMPLKPGQVRADLISS
NSVIFKNTGEYLSKWAKPSVKVLVIGNPDNTNCEIAMLHAKNLKPENFSS
LSMLDQNRAYYEVASKLGVDVKDVHDIIVWGNHGESMVADLTQATFTKEG
KTQKVVDVLDHDYVFDTFFKKIGHRAWDILEHRGFTSAASPTKAAIQHMK
AWLFGTAPGEVLSMGIPVPEGNPYGIKPGVVFSFPCNVDKEGKIHVVEGF
KVNDWLREKLDFTEKDLFHEKEIALNHL
Ligand information
Ligand IDNAI
InChIInChI=1S/C21H29N7O14P2/c22-17-12-19(25-7-24-17)28(8-26-12)21-16(32)14(30)11(41-21)6-39-44(36,37)42-43(34,35)38-5-10-13(29)15(31)20(40-10)27-3-1-2-9(4-27)18(23)33/h1,3-4,7-8,10-11,13-16,20-21,29-32H,2,5-6H2,(H2,23,33)(H,34,35)(H,36,37)(H2,22,24,25)/t10-,11-,13-,14-,15-,16-,20-,21-/m1/s1
InChIKeyBOPGDPNILDQYTO-NNYOXOHSSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OCC4C(C(C(O4)N5C=CCC(=C5)C(=O)N)O)O)O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[C@@H]2O[C@H](CO[P@@](O)(=O)O[P@](O)(=O)OC[C@H]3O[C@H]([C@H](O)[C@@H]3O)n4cnc5c(N)ncnc45)[C@@H](O)[C@H]2O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)O[P@@](=O)(O)OC[C@@H]4[C@H]([C@H]([C@@H](O4)N5C=CCC(=C5)C(=O)N)O)O)O)O)N
CACTVS 3.341NC(=O)C1=CN(C=CC1)[CH]2O[CH](CO[P](O)(=O)O[P](O)(=O)OC[CH]3O[CH]([CH](O)[CH]3O)n4cnc5c(N)ncnc45)[CH](O)[CH]2O
FormulaC21 H29 N7 O14 P2
Name1,4-DIHYDRONICOTINAMIDE ADENINE DINUCLEOTIDE;
NADH
ChEMBLCHEMBL1234616
DrugBankDB00157
ZINCZINC000008215403
PDB chain5a1t Chain B Residue 345 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB5a1t Gradual Neofunctionalization in the Convergent Evolution of Trichomonad Lactate and Malate Dehydrogenases.
Resolution1.97 Å
Binding residue
(original residue number in PDB)		G11 G14 Q15 I16 D41 I42 A87 S88 M89 I107 I128 G129 N130 H186 S240 P244
Binding residue
(residue number reindexed from 1)		G8 G11 Q12 I13 D38 I39 A84 S85 M86 I104 I125 G126 N127 H183 S237 P241
Annotation score4
Enzymatic activity
Catalytic site (original residue number in PDB) D158 H186
Catalytic site (residue number reindexed from 1) D155 H183
Enzyme Commision number 1.1.1.27: L-lactate dehydrogenase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0003824 catalytic activity
GO:0004459 L-lactate dehydrogenase activity
GO:0016491 oxidoreductase activity
GO:0016615 malate dehydrogenase activity
GO:0016616 oxidoreductase activity, acting on the CH-OH group of donors, NAD or NADP as acceptor
GO:0030060 L-malate dehydrogenase (NAD+) activity
Biological Process
GO:0006099 tricarboxylic acid cycle
GO:0006107 oxaloacetate metabolic process
GO:0006108 malate metabolic process
GO:0006734 NADH metabolic process
GO:0019752 carboxylic acid metabolic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:5a1t, PDBe:5a1t, PDBj:5a1t
PDBsum5a1t
PubMed26889885
UniProtO96445

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