1
ThS BS HOÀNG THỊ TUỆ NGỌC
Bộ môn Hóa Sinh – Sinh Học Phân Tử
Đại Học Y Khoa Phạm Ngọc Thạch
2
ĐẠI CƯƠNG
Cromoprotein
Protein tạp
Nhóm ngoại: chất màu
porphyrinoprotein : Hb, Mb
(nhóm ngoại là nhân porphyrin)
cromoprotein: Feritin, flavoprotein
(nhóm ngoại không có nhân Porphyrin)
3
4
CẤU TẠO HOÁ HỌC
+ nhóm thếx 4
protoporphyrin
Pyrol Porphin Porphyrin
5
4 vòng pyrol lk với nhau tạo thành porphin (C20H14N4)
bằng 4 cầu nối methylen (-CH=)
• thứ tự vòng pyrol (I, II, III, IV):
theo chiều kim đồng hồ
•Đánh dấu cầu methylen:
α, β, γ,δ
•1,2,3,..,8: đỉnh porphin
= vịtrínhóm thế
![Đề thi trắc nghiệm giữa kì môn Hóa đại cương 2: [Kèm đáp án/ Tổng hợp đề thi/ Mới nhất]](https://cdn.tailieu.vn/images/document/thumbnail/2026/20260514/quangbinhmc2006@gmail.com/135x160/56141778723328.jpg)
![Tài liệu Hóa học đại cương Trường Đại học Công nghệ Giao thông Vận tải [PDF]](https://cdn.tailieu.vn/images/document/thumbnail/2026/20260511/vispacex_27/135x160/7711778501472.jpg)
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