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edit Histone cluster 1, H2bi PDB rendering based on 1aoi. Available structures PDB 1aoi, 1eqz, 1f66, 1hio, 1hq3, 1kx3, 1kx4, 1kx5, 1m18, 1m19, 1m1a, 1p34, 1p3a, 1p3b, 1p3f, 1p3g, 1p3i, 1p3k, 1p3l, 1p3m, 1p3o, 1p3p, 1s32, 1tzy, 1u35, 1zbb, 1zla, 2aro, 2cv5, 2f8n, 2fj7, 2hio, 2nzd Identifiers Symbols HIST1H2BI; H2B/k; H2BFK External IDs OMIM: 602807 HomoloGene: 86900 GeneCards: HIST1H2BI Gene Gene Ontology Orthologs Species Human Mouse Entrez 8346 665596 Ensembl n/a n/a UniProt n/a n/a RefSeq (mRNA) NM_003525 XM_978035 RefSeq (protein) NP_003516 XP_983129 Location (UCSC) n/a n/a PubMed search [1] [2] Histone H2B type 1-C/E/F/G/I is a protein that in humans is encoded by the HIST1H2BI gene.[1][2][3] Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene is intronless and encodes a member of the histone H2B family. Transcripts from this gene lack polyA tails but instead contain a palindromic termination element. This gene is found in the large histone gene cluster on chromosome 6.[3] References ^ Albig W, Kioschis P, Poustka A, Meergans K, Doenecke D (Apr 1997). "Human histone gene organization: nonregular arrangement within a large cluster". Genomics 40 (2): 314–22. doi:10.1006/geno.1996.4592. PMID 9119399.  ^ Marzluff WF, Gongidi P, Woods KR, Jin J, Maltais LJ (Oct 2002). "The human and mouse replication-dependent histone genes". Genomics 80 (5): 487–98. doi:10.1016/S0888-7543(02)96850-3. PMID 12408966.  ^ a b "Entrez Gene: HIST1H2BI histone cluster 1, H2bi". http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=8346.  Further reading Lusic M, Marcello A, Cereseto A, Giacca M (2004). "Regulation of HIV-1 gene expression by histone acetylation and factor recruitment at the LTR promoter.". EMBO J. 22 (24): 6550–61. doi:10.1093/emboj/cdg631. PMID 14657027.  Strausberg RL, Feingold EA, Grouse LH, et al. (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences.". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMID 12477932.  Deng L, Wang D, de la Fuente C, et al. (2001). "Enhancement of the p300 HAT activity by HIV-1 Tat on chromatin DNA.". Virology 289 (2): 312–26. doi:10.1006/viro.2001.1129. PMID 11689053.  Deng L, de la Fuente C, Fu P, et al. (2001). "Acetylation of HIV-1 Tat by CBP/P300 increases transcription of integrated HIV-1 genome and enhances binding to core histones.". Virology 277 (2): 278–95. doi:10.1006/viro.2000.0593. PMID 11080476.  El Kharroubi A, Piras G, Zensen R, Martin MA (1998). "Transcriptional activation of the integrated chromatin-associated human immunodeficiency virus type 1 promoter.". Mol. Cell. Biol. 18 (5): 2535–44. PMID 9566873.  Albig W, Doenecke D (1998). "The human histone gene cluster at the D6S105 locus.". Hum. Genet. 101 (3): 284–94. doi:10.1007/s004390050630. PMID 9439656.  v • d • e PDB Gallery 1aoi: COMPLEX BETWEEN NUCLEOSOME CORE PARTICLE (H3,H4,H2A,H2B) AND 146 BP LONG DNA FRAGMENT   1eqz: X-RAY STRUCTURE OF THE NUCLEOSOME CORE PARTICLE AT 2.5 A RESOLUTION   1f66: 2.6 A CRYSTAL STRUCTURE OF A NUCLEOSOME CORE PARTICLE CONTAINING THE VARIANT HISTONE H2A.Z   1hq3: CRYSTAL STRUCTURE OF THE HISTONE-CORE-OCTAMER IN KCL/PHOSPHATE   1kx3: X-Ray Structure of the Nucleosome Core Particle, NCP146, at 2.0 A Resolution   1kx4: X-Ray Structure of the Nucleosome Core Particle, NCP146b, at 2.6 A Resolution   1kx5: X-Ray Structure of the Nucleosome Core Particle, NCP147, at 1.9 A Resolution   1m18: LIGAND BINDING ALTERS THE STRUCTURE AND DYNAMICS OF NUCLEOSOMAL DNA   1m19: LIGAND BINDING ALTERS THE STRUCTURE AND DYNAMICS OF NUCLEOSOMAL DNA   1m1a: LIGAND BINDING ALTERS THE STRUCTURE AND DYNAMICS OF NUCLEOSOMAL DNA   1p34: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3a: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3b: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3f: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3g: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3i: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3k: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3l: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3m: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3o: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1p3p: Crystallographic Studies of Nucleosome Core Particles containing Histone 'Sin' Mutants   1s32: Molecular Recognition of the Nucleosomal 'Supergroove'   1tzy: Crystal Structure of the Core-Histone Octamer to 1.90 Angstrom Resolution   1u35: Crystal structure of the nucleosome core particle containing the histone domain of macroH2A   1zbb: Structure of the 4_601_167 Tetranucleosome   1zla: X-ray Structure of a Kaposi's sarcoma herpesvirus LANA peptide bound to the nucleosomal core   2aro: Crystal Structure Of The Native Histone Octamer To 2.1 Angstrom Resolution, Crystalised In The Presence Of S-Nitrosoglutathione   2cv5: Crystal structure of human nucleosome core particle   2f8n: 2.9 Angstrom X-ray structure of hybrid macroH2A nucleosomes   2fj7: Crystal structure of Nucleosome Core Particle Containing a Poly (dA.dT) Sequence Element   2hio: HISTONE OCTAMER (CHICKEN), CHROMOSOMAL PROTEIN   2nzd: Nucleosome core particle containing 145 bp of DNA   This protein-related article is a stub. 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