use TOGOWS: http://togows.dbcls.jp/
$ wget -q -O - "http://togows.org/entry/kegg-genes/fpr:FP2_11210.json" | python -m json.tool
[
{
"aafasta": ">FP2_11210 (GenBank) hypothetical protein\nMDRKLYPTAQKRHQNSKILFKSFPFYITQKVSKMQGFAQKISNKFGDLPDGIDVKFWYNSLAFTEKCLSYDKQSNDKTAVLRASGYHLGGKHA",
"aalen": 93,
"aaseq": "MDRKLYPTAQKRHQNSKILFKSFPFYITQKVSKMQGFAQKISNKFGDLPDGIDVKFWYNSLAFTEKCLSYDKQSNDKTAVLRASGYHLGGKHA",
"chromosome": null,
"classes": [],
"codon_usage": {
"aaa": null,
"aac": null,
"aag": null,
"aat": null,
"aca": null,
"acc": null,
"acg": null,
"act": null,
"aga": null,
"agc": null,
"agg": null,
"agt": null,
"ata": null,
"atc": null,
"atg": null,
"att": null,
"caa": null,
"cac": null,
"cag": null,
"cat": null,
"cca": null,
"ccc": null,
"ccg": null,
"cct": null,
"cga": null,
"cgc": null,
"cgg": null,
"cgt": null,
"cta": null,
"ctc": null,
"ctg": null,
"ctt": null,
"gaa": null,
"gac": null,
"gag": null,
"gat": null,
"gca": null,
"gcc": null,
"gcg": null,
"gct": null,
"gga": null,
"ggc": null,
"ggg": null,
"ggt": null,
"gta": null,
"gtc": null,
"gtg": null,
"gtt": null,
"taa": null,
"tac": null,
"tag": null,
"tat": null,
"tca": null,
"tcc": null,
"tcg": null,
"tct": null,
"tga": null,
"tgc": null,
"tgg": null,
"tgt": null,
"tta": null,
"ttc": null,
"ttg": null,
"ttt": null
},
"dblinks": {
"NCBI-ProteinID": [
"CBK98661"
],
"UniProt": [
"D4JXB2"
]
},
"definition": "(GenBank) hypothetical protein",
"division": "CDS",
"eclinks": [],
"entry_id": "FP2_11210",
"gbposition": "complement(1100614..1100895)",
"genes_id": "fpr:FP2_11210",
"modules": {},
"motifs": {
"Pfam": [
"Nod1"
]
},
"nafasta": ">FP2_11210 (GenBank) hypothetical protein\natggatagaaagttgtatccaactgcccaaaaacggcatcagaactcgaaaatcctcttcaaatctttcccattttatattacccaaaaagtgagtaaaatgcaagggtttgcacaaaaaatatcaaacaaattcggtgatttgcccgatggaatagacgtgaaattttggtataatagtttagcattcacagagaaatgtttatcgtatgacaagcagagcaacgataagaccgccgtgcttcgcgccagcggctaccatttgggaggtaaacacgcatga",
"nalen": 282,
"name": "",
"names": [],
"naseq": "atggatagaaagttgtatccaactgcccaaaaacggcatcagaactcgaaaatcctcttcaaatctttcccattttatattacccaaaaagtgagtaaaatgcaagggtttgcacaaaaaatatcaaacaaattcggtgatttgcccgatggaatagacgtgaaattttggtataatagtttagcattcacagagaaatgtttatcgtatgacaagcagagcaacgataagaccgccgtgcttcgcgccagcggctaccatttgggaggtaaacacgcatga",
"ntfasta": ">FP2_11210 (GenBank) hypothetical protein\natggatagaaagttgtatccaactgcccaaaaacggcatcagaactcgaaaatcctcttcaaatctttcccattttatattacccaaaaagtgagtaaaatgcaagggtttgcacaaaaaatatcaaacaaattcggtgatttgcccgatggaatagacgtgaaattttggtataatagtttagcattcacagagaaatgtttatcgtatgacaagcagagcaacgataagaccgccgtgcttcgcgccagcggctaccatttgggaggtaaacacgcatga",
"ntlen": 282,
"ntseq": "atggatagaaagttgtatccaactgcccaaaaacggcatcagaactcgaaaatcctcttcaaatctttcccattttatattacccaaaaagtgagtaaaatgcaagggtttgcacaaaaaatatcaaacaaattcggtgatttgcccgatggaatagacgtgaaattttggtataatagtttagcattcacagagaaatgtttatcgtatgacaagcagagcaacgataagaccgccgtgcttcgcgccagcggctaccatttgggaggtaaacacgcatga",
"organism": "Faecalibacterium prausnitzii L2-6",
"organism_code": "fpr",
"organism_id": "T02591",
"orthologs": {},
"pathways": {},
"position": "complement(1100614..1100895)",
"structure": []
}
]
Do you know about KEGG REST API?
What exactly you want to do? The page you linked doesn't seem to be intended as parseable, rather, it is meant for human consumption.