Structure of PDB 6a00 Chain A

Receptor sequence

>6a00A (length=334) Species: 31958 (Amycolatopsis orientalis)

TYVSLADLERAARDVLPGEIFDFLAGGSGTEASLVANRTALERVFVIPRM
LRDLTDVTTEIDIFGRRAALPMAVAPVAYQRLFHPEGELAVARAARDAGV
PYTICTLSSVSLEEIAAVGGRPWFQLYWLRDEKRSLDLVRRAEDAGCEAI
VFTVDVPWMGRRLRDMRNGFALPEWVTAANFDFAPATWESVEAVRAHTDL
PVVLKGILAVEDARRAVDAGAGGIVVSNHGGRQLDGAVPGIEMLGEIVAA
VSGGCEVLVDGGIRSGGDVLKATALGASAVLVGRPVMWALAAAGQDGVRQ
LLELLAEEVRDAMGLAGCESVGAARRLNTKLGVV

3D structure

• PDB: 6a00 Biochemical and structural explorations of alpha-hydroxyacid oxidases reveal a four-electron oxidative decarboxylation reaction.
• Chain: A
• Resolution: 1.59 Å

Enzymatic activity

• Catalytic site (original residue number in PDB): Y128 D156 H252
• Catalytic site (residue number reindexed from 1): Y127 D155 H229
• Enzyme Commision number: 1.1.3.46: 4-hydroxymandelate oxidase.

Interaction with ligand

Site #	Ligand	Ligand chain	Binding residues on receptor (original residue number in PDB)	Binding residues on receptor (residue number reindexed from 1)	Binding affinity
BS01	MG	A	D283 G284 I286 L304	D260 G261 I263 L281
BS02	FMN	A	P77 V78 A79 Q126 Y128 T154 K228 H252 R255 D283 G285 R287 G306 R307	P76 V77 A78 Q125 Y127 T153 K205 H229 R232 D260 G262 R264 G283 R284
BS03	9RW	A	L108 Y128 M160 H252 R255	L107 Y127 M159 H229 R232

Gene Ontology

Molecular Function

• GO:0004459 L-lactate dehydrogenase activity
• GO:0010181 FMN binding
• GO:0016491 oxidoreductase activity
• GO:0016899 oxidoreductase activity, acting on the CH-OH group of donors, oxygen as acceptor

Biological Process

• GO:0017000 antibiotic biosynthetic process
• GO:0033072 vancomycin biosynthetic process

External links

• PDB: RCSB:6a00, PDBe:6a00, PDBj:6a00
• PDBsum: 6a00
• PubMed: 31373572
• UniProt: O52792|HMO_AMYOR 4-hydroxymandelate oxidase (Gene Name=hmo)