This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
High mobility group protein
From Proteopedia
(Difference between revisions)
| (3 intermediate revisions not shown.) | |||
| Line 1: | Line 1: | ||
| - | <StructureSection load='2gzk' size='340' side='right' caption='Rat | + | <StructureSection load='2gzk' size='340' side='right' caption='Rat HMGB1 tandem boxes complexed with DNA (PDB code [[2gzk]]).' scene=''> |
| - | + | ||
== Function == | == Function == | ||
| + | '''High mobility group protein (HMG)''' is a chromatin protein which organizes the DNA and regulator transcription. HMG superfamilies differ by their DNA-binding domains.<br /> | ||
| + | * '''HMGA'''s bind via an AT-hook domain. For details on HMGA see [[HMGI(Y)]].<br /> | ||
| + | * '''HMGB'''s bind via box domain<ref>PMID:17979838</ref>.<br /> | ||
| + | * '''HMGN'''s bind via a nucleosome binding domain.<br /> | ||
== Disease == | == Disease == | ||
| + | Rearrangements of the HMGA2 gene were detected in human benign lipoma tumors<ref>PMID:11576996</ref>. | ||
== Relevance == | == Relevance == | ||
| + | Overexpression of HMGB1 is associated with cancer and is targeted for cancer therapy<ref>PMID:20123075</ref>. | ||
== Structural highlights == | == Structural highlights == | ||
| Line 20: | Line 25: | ||
**[[2ezd]], [[2eze]], [[2ezf]], [[2ezg]] – hHMG-1 + DNA - human<br /> | **[[2ezd]], [[2eze]], [[2ezf]], [[2ezg]] – hHMG-1 + DNA - human<br /> | ||
| - | *HMGB | + | *HMGB box 1 domain residues 1-84; tandem boxes domain residues 1-166 |
| - | **[[1hme]], [[1hmf]] – rHMG-1 B domain – rat - NMR <br /> | ||
| - | **[[1aab]] – rHMG-1 A domain - NMR <br /> | ||
| - | **[[1ckt]] – rHMG-1 A domain + DNA <br /> | ||
| - | **[[2gzk]] – rHMG-1 tandem boxes + DNA <br /> | ||
**[[2yrq]] – hHMG-1 tandem boxes - human - NMR<br /> | **[[2yrq]] – hHMG-1 tandem boxes - human - NMR<br /> | ||
**[[2rtu]] – hHMG-1 box 1 - NMR<br /> | **[[2rtu]] – hHMG-1 box 1 - NMR<br /> | ||
**[[2ly4]] – hHMG-1 box domain + cellular tumor antigen p53 - NMR<br /> | **[[2ly4]] – hHMG-1 box domain + cellular tumor antigen p53 - NMR<br /> | ||
| + | **[[6cij]], [[6cik]], [[6cil]], [[6cim]] – hHMG-1 tandem boxes + RAG-1 + RAG-2 + DNA<br /> | ||
| + | **[[6cg0]], [[6oem]], [[6oen]] – hHMG-1 tandem boxes + RAG-1 + RAG-2 + DNA – Cryo EM<br /> | ||
**[[2eqz]], [[2yqi]] – hHMG-3 box domain - NMR<br /> | **[[2eqz]], [[2yqi]] – hHMG-3 box domain - NMR<br /> | ||
| + | **[[1j3d]] – pHMG-2 C terminal – pig - NMR<br /> | ||
| + | **[[1j3c]] – pHMG-2 C terminal (mutant) - NMR<br /> | ||
| + | **[[1j3x]] – pHMG-2 N terminal (mutant) - NMR<br /> | ||
| + | **[[1hme]], [[1hmf]] – rHMG-1 B domain – rat - NMR <br /> | ||
| + | **[[1aab]] – rHMG-1 A domain - NMR <br /> | ||
| + | **[[1ckt]], [[4qr9]] – rHMG-1 A domain + DNA <br /> | ||
| + | **[[2gzk]] – rHMG-1 tandem boxes + DNA <br /> | ||
| + | **[[5ze2]], [[5ze1]], [[5ze0]], [[5zdz]] – mHMG-1 tandem boxes + RAG-1 + RAG-2 + DNA – mouse<br /> | ||
| + | **[[6oeo]], [[6oer]] – mHMG-1 tandem boxes + RAG-1 + RAG-2 + DNA – Cryo EM<br /> | ||
**[[1hsm]], [[1hsn]], [[1nhm]], [[1nhn]] – HMG-1 box domain – chinese hamster - NMR <br /> | **[[1hsm]], [[1hsn]], [[1nhm]], [[1nhn]] – HMG-1 box domain – chinese hamster - NMR <br /> | ||
**[[1hma]] – DmHMG-D DNA-binding domain – ''Drosophila melanogaster'' - NMR<br /> | **[[1hma]] – DmHMG-D DNA-binding domain – ''Drosophila melanogaster'' - NMR<br /> | ||
| Line 35: | Line 47: | ||
**[[3nm9]] – DmHMG-D DNA-binding domain (mutant) + DNA <br /> | **[[3nm9]] – DmHMG-D DNA-binding domain (mutant) + DNA <br /> | ||
**[[1e7j]] – DmHMG-D DNA-binding domain + DNA - NMR<br /> | **[[1e7j]] – DmHMG-D DNA-binding domain + DNA - NMR<br /> | ||
| - | **[[1j3d]] – pHMG-2 C terminal – pig - NMR<br /> | ||
| - | **[[1j3c]] – pHMG-2 C terminal (mutant) - NMR<br /> | ||
| - | **[[1j3x]] – pHMG-2 N terminal (mutant) - NMR<br /> | ||
*HMG | *HMG | ||
Current revision
| |||||||||||
3D Structures of high mobility group protein (HMG)
Updated on 18-August-2020
References
- ↑ Bianchi ME, Manfredi AA. High-mobility group box 1 (HMGB1) protein at the crossroads between innate and adaptive immunity. Immunol Rev. 2007 Dec;220:35-46. PMID:17979838 doi:http://dx.doi.org/10.1111/j.1600-065X.2007.00574.x
- ↑ Fedele M, Battista S, Manfioletti G, Croce CM, Giancotti V, Fusco A. Role of the high mobility group A proteins in human lipomas. Carcinogenesis. 2001 Oct;22(10):1583-91. PMID:11576996
- ↑ Tang D, Kang R, Zeh HJ 3rd, Lotze MT. High-mobility group box 1 and cancer. Biochim Biophys Acta. 2010 Jan-Feb;1799(1-2):131-40. doi:, 10.1016/j.bbagrm.2009.11.014. PMID:20123075 doi:http://dx.doi.org/10.1016/j.bbagrm.2009.11.014

