Q8NDA2 (HMCN2_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 77.
History...
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Alt products·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Hemicentin-2 | ||
| Gene names |
| ||
| Organism | Homo sapiens (Human) [Reference proteome] | ||
| Taxonomic identifier | 9606 [NCBI] | ||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 5065 AA. |
| Sequence status | Complete. |
| Sequence processing | The displayed sequence is further processed into a mature form. |
| Protein existence | Evidence at transcript level |
General annotation (Comments)
| Subcellular location | Secreted › extracellular space › extracellular matrix By similarity. |
| Sequence similarities | Contains 5 EGF-like domains. Contains 42 Ig-like C2-type (immunoglobulin-like) domains. Contains 1 nidogen G2 beta-barrel domain. Contains 1 VWFA domain. |
| Sequence caution | The sequence BAB85069.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended. The sequence BAC04201.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended. The sequence EAW87931.1 differs from that shown. Reason: Erroneous gene model prediction. |
Ontologies
| Keywords | |
|---|---|
| Biological process | Sensory transduction |
| Cellular component | Extracellular matrix Secreted |
| Coding sequence diversity | Alternative splicing |
| Domain | EGF-like domain Immunoglobulin domain Repeat Signal |
| Ligand | Calcium |
| PTM | Disulfide bond Glycoprotein Phosphoprotein |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | response to stimulus Inferred from electronic annotation. Source: UniProtKB-KW |
| Cellular_component | proteinaceous extracellular matrix Inferred from electronic annotation. Source: UniProtKB-SubCell |
| Molecular_function | calcium ion binding Inferred from electronic annotation. Source: InterPro |
| Complete GO annotation... | |
Alternative products
| This entry describes 3 isoforms produced by alternative splicing. [Align] [Select] | ||||||
| Isoform 1 (identifier: Q8NDA2-1) This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry. | ||||||
| Isoform 2 (identifier: Q8NDA2-2) The sequence of this isoform differs from the canonical sequence as follows: 4171-4198: EGVSEQDGGSTLQRAAVSREDSGTYVCW → GLGLLGMGGTESQDTGRLRREGRWGDPT 4199-5065: Missing. | ||||||
| Note: No experimental confirmation available. | ||||||
| Isoform 3 (identifier: Q8NDA2-3) The sequence of this isoform differs from the canonical sequence as follows: 3401-3440: VQVPPVLEPV...RGVPLPLVSW → CPLSWSRWSS...GAFPCLSCRG 3550-3550: R → RVENVQ 3762-3780: Missing. 4398-4757: EPQGSWGSMT...PRGYRMQGPS → MGHPCLDLRGQRQDLLPMGIVWCLWETCP 4761-4767: Missing. 4771-5065: KACAYQCHNL...LLIAVSPYPY → TSSLCFITSPE | ||||||
| Note: No experimental confirmation available. |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||||
Molecule processing | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Signal peptide | 1 – 23 | 23 | Potential | ||||||||
| Chain | 24 – 5065 | 5042 | Hemicentin-2 | PRO_0000395108 | |||||||
Regions | |||||||||||
| Domain | 36 – 210 | 175 | VWFA | ||||||||
| Domain | 518 – 603 | 86 | Ig-like C2-type 1 | ||||||||
| Domain | 608 – 691 | 84 | Ig-like C2-type 2 | ||||||||
| Domain | 698 – 781 | 84 | Ig-like C2-type 3 | ||||||||
| Domain | 786 – 880 | 95 | Ig-like C2-type 4 | ||||||||
| Domain | 885 – 971 | 87 | Ig-like C2-type 5 | ||||||||
| Domain | 976 – 1062 | 87 | Ig-like C2-type 6 | ||||||||
| Domain | 1039 – 1115 | 77 | Ig-like C2-type 7 | ||||||||
| Domain | 1120 – 1200 | 81 | Ig-like C2-type 8 | ||||||||
| Domain | 1207 – 1294 | 88 | Ig-like C2-type 9 | ||||||||
| Domain | 1299 – 1400 | 102 | Ig-like C2-type 10 | ||||||||
| Domain | 1407 – 1496 | 90 | Ig-like C2-type 11 | ||||||||
| Domain | 1501 – 1589 | 89 | Ig-like C2-type 12 | ||||||||
| Domain | 1594 – 1685 | 92 | Ig-like C2-type 13 | ||||||||
| Domain | 1688 – 1776 | 89 | Ig-like C2-type 14 | ||||||||
| Domain | 1783 – 1879 | 97 | Ig-like C2-type 15 | ||||||||
| Domain | 1886 – 1974 | 89 | Ig-like C2-type 16 | ||||||||
| Domain | 1977 – 2066 | 90 | Ig-like C2-type 17 | ||||||||
| Domain | 2071 – 2157 | 87 | Ig-like C2-type 18 | ||||||||
| Domain | 2162 – 2253 | 92 | Ig-like C2-type 19 | ||||||||
| Domain | 2256 – 2345 | 90 | Ig-like C2-type 20 | ||||||||
| Domain | 2350 – 2439 | 90 | Ig-like C2-type 21 | ||||||||
| Domain | 2444 – 2532 | 89 | Ig-like C2-type 22 | ||||||||
| Domain | 2537 – 2628 | 92 | Ig-like C2-type 23 | ||||||||
| Domain | 2633 – 2724 | 92 | Ig-like C2-type 24 | ||||||||
| Domain | 2731 – 2837 | 107 | Ig-like C2-type 25 | ||||||||
| Domain | 2841 – 2930 | 90 | Ig-like C2-type 26 | ||||||||
| Domain | 2937 – 3024 | 88 | Ig-like C2-type 27 | ||||||||
| Domain | 3029 – 3119 | 91 | Ig-like C2-type 28 | ||||||||
| Domain | 3123 – 3211 | 89 | Ig-like C2-type 29 | ||||||||
| Domain | 3216 – 3306 | 91 | Ig-like C2-type 30 | ||||||||
| Domain | 3311 – 3398 | 88 | Ig-like C2-type 31 | ||||||||
| Domain | 3404 – 3489 | 86 | Ig-like C2-type 32 | ||||||||
| Domain | 3494 – 3575 | 82 | Ig-like C2-type 33 | ||||||||
| Domain | 3580 – 3668 | 89 | Ig-like C2-type 34 | ||||||||
| Domain | 3673 – 3759 | 87 | Ig-like C2-type 35 | ||||||||
| Domain | 3764 – 3854 | 91 | Ig-like C2-type 36 | ||||||||
| Domain | 3857 – 3943 | 87 | Ig-like C2-type 37 | ||||||||
| Domain | 3948 – 4033 | 86 | Ig-like C2-type 38 | ||||||||
| Domain | 4037 – 4124 | 88 | Ig-like C2-type 39 | ||||||||
| Domain | 4129 – 4210 | 82 | Ig-like C2-type 40 | ||||||||
| Domain | 4218 – 4301 | 84 | Ig-like C2-type 41 | ||||||||
| Domain | 4309 – 4394 | 86 | Ig-like C2-type 42 | ||||||||
| Domain | 4398 – 4620 | 223 | Nidogen G2 beta-barrel | ||||||||
| Domain | 4634 – 4674 | 41 | EGF-like 1; calcium-binding Potential | ||||||||
| Domain | 4675 – 4718 | 44 | EGF-like 2; calcium-binding Potential | ||||||||
| Domain | 4719 – 4757 | 39 | EGF-like 3; calcium-binding Potential | ||||||||
| Domain | 4762 – 4802 | 41 | EGF-like 4; calcium-binding Potential | ||||||||
| Domain | 4869 – 4908 | 40 | EGF-like 5; calcium-binding Potential | ||||||||
Amino acid modifications | |||||||||||
| Modified residue | 1874 | 1 | Phosphoserine By similarity | ||||||||
| Glycosylation | 329 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 346 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 379 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 478 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 525 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 547 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 674 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 1024 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 1223 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 1309 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 1507 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 1533 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 1641 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 1900 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2000 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2079 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2085 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2243 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2281 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2361 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2435 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2468 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2507 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2572 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2654 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2858 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 2952 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 3396 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 3526 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 3541 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 3683 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 3687 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 3772 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 4068 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 4270 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 4421 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 4567 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 4810 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Glycosylation | 5000 | 1 | N-linked (GlcNAc...) Potential | ||||||||
| Disulfide bond | 538 ↔ 587 | By similarity | |||||||||
| Disulfide bond | 629 ↔ 677 | By similarity | |||||||||
| Disulfide bond | 719 ↔ 765 | By similarity | |||||||||
| Disulfide bond | 807 ↔ 862 | By similarity | |||||||||
| Disulfide bond | 906 ↔ 955 | By similarity | |||||||||
| Disulfide bond | 997 ↔ 1046 | By similarity | |||||||||
| Disulfide bond | 1141 ↔ 1184 | By similarity | |||||||||
| Disulfide bond | 1228 ↔ 1278 | By similarity | |||||||||
| Disulfide bond | 1322 ↔ 1386 | By similarity | |||||||||
| Disulfide bond | 1430 ↔ 1480 | By similarity | |||||||||
| Disulfide bond | 1524 ↔ 1573 | By similarity | |||||||||
| Disulfide bond | 1618 ↔ 1667 | By similarity | |||||||||
| Disulfide bond | 1711 ↔ 1760 | By similarity | |||||||||
| Disulfide bond | 1807 ↔ 1865 | By similarity | |||||||||
| Disulfide bond | 1907 ↔ 1956 | By similarity | |||||||||
| Disulfide bond | 1999 ↔ 2050 | By similarity | |||||||||
| Disulfide bond | 2092 ↔ 2141 | By similarity | |||||||||
| Disulfide bond | 2184 ↔ 2235 | By similarity | |||||||||
| Disulfide bond | 2280 ↔ 2329 | By similarity | |||||||||
| Disulfide bond | 2374 ↔ 2423 | By similarity | |||||||||
| Disulfide bond | 2467 ↔ 2516 | By similarity | |||||||||
| Disulfide bond | 2563 ↔ 2612 | By similarity | |||||||||
| Disulfide bond | 2661 ↔ 2710 | By similarity | |||||||||
| Disulfide bond | 2772 ↔ 2821 | By similarity | |||||||||
| Disulfide bond | 2867 ↔ 2916 | By similarity | |||||||||
| Disulfide bond | 2959 ↔ 3008 | By similarity | |||||||||
| Disulfide bond | 3054 ↔ 3103 | By similarity | |||||||||
| Disulfide bond | 3146 ↔ 3195 | By similarity | |||||||||
| Disulfide bond | 3239 ↔ 3290 | By similarity | |||||||||
| Disulfide bond | 3335 ↔ 3384 | By similarity | |||||||||
| Disulfide bond | 3428 ↔ 3473 | By similarity | |||||||||
| Disulfide bond | 3517 ↔ 3559 | By similarity | |||||||||
| Disulfide bond | 3603 ↔ 3652 | By similarity | |||||||||
| Disulfide bond | 3694 ↔ 3743 | By similarity | |||||||||
| Disulfide bond | 3785 ↔ 3836 | By similarity | |||||||||
| Disulfide bond | 3878 ↔ 3927 | By similarity | |||||||||
| Disulfide bond | 3969 ↔ 4017 | By similarity | |||||||||
| Disulfide bond | 4059 ↔ 4108 | By similarity | |||||||||
| Disulfide bond | 4150 ↔ 4197 | By similarity | |||||||||
| Disulfide bond | 4240 ↔ 4288 | By similarity | |||||||||
| Disulfide bond | 4330 ↔ 4378 | By similarity | |||||||||
| Disulfide bond | 4638 ↔ 4649 | By similarity | |||||||||
| Disulfide bond | 4645 ↔ 4658 | By similarity | |||||||||
| Disulfide bond | 4660 ↔ 4673 | By similarity | |||||||||
| Disulfide bond | 4679 ↔ 4692 | By similarity | |||||||||
| Disulfide bond | 4686 ↔ 4701 | By similarity | |||||||||
| Disulfide bond | 4705 ↔ 4717 | By similarity | |||||||||
| Disulfide bond | 4723 ↔ 4736 | By similarity | |||||||||
| Disulfide bond | 4730 ↔ 4745 | By similarity | |||||||||
| Disulfide bond | 4766 ↔ 4777 | By similarity | |||||||||
| Disulfide bond | 4773 ↔ 4786 | By similarity | |||||||||
| Disulfide bond | 4788 ↔ 4801 | By similarity | |||||||||
| Disulfide bond | 4873 ↔ 4883 | By similarity | |||||||||
| Disulfide bond | 4879 ↔ 4892 | By similarity | |||||||||
| Disulfide bond | 4894 ↔ 4907 | By similarity | |||||||||
Natural variations | |||||||||||
| Alternative sequence | 3401 – 3440 | 40 | VQVPP…PLVSW → CPLSWSRWSSRMTWWWFVAP WWNSRARPGAFPCLSCRG in isoform 3. | VSP_039364 | |||||||
| Alternative sequence | 3550 | 1 | R → RVENVQ in isoform 3. | VSP_039365 | |||||||
| Alternative sequence | 3762 – 3780 | 19 | Missing in isoform 3. | VSP_039366 | |||||||
| Alternative sequence | 4171 – 4198 | 28 | EGVSE…TYVCW → GLGLLGMGGTESQDTGRLRR EGRWGDPT in isoform 2. | VSP_039367 | |||||||
| Alternative sequence | 4199 – 5065 | 867 | Missing in isoform 2. | VSP_039368 | |||||||
| Alternative sequence | 4398 – 4757 | 360 | EPQGS…MQGPS → MGHPCLDLRGQRQDLLPMGI VWCLWETCP in isoform 3. | VSP_039369 | |||||||
| Alternative sequence | 4761 – 4767 | 7 | Missing in isoform 3. | VSP_039370 | |||||||
| Alternative sequence | 4771 – 5065 | 295 | KACAY…SPYPY → TSSLCFITSPE in isoform 3. | VSP_039371 | |||||||
Experimental info | |||||||||||
| Sequence conflict | 3281 | 1 | R → W in CAD38854. Ref.4 | ||||||||
Sequences
| ||||||||||||||||||||||||||||||
References
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AL354898 Genomic DNA. No translation available. AL360004 Genomic DNA. No translation available. CH471090 Genomic DNA. Translation: EAW87931.1. Sequence problems. AK074396 mRNA. Translation: BAB85069.1. Different initiation. AK093583 mRNA. Translation: BAC04201.1. Different initiation. AL834139 mRNA. Translation: CAD38854.1. |
| IPI | IPI00335009. IPI00936570. IPI00964287. |
| UniGene | Hs.32194. Hs.512559. |
3D structure databases | |
| HSSP | HSSP built from PDB template 1EV2 based on UniProtKB Q9UQH9. |
| ProteinModelPortal | Q8NDA2. |
| SMR | Q8NDA2. Positions 427-1582, 1652-1777, 2313-2339, 2943-4397, 4622-4802, 4871-4949. |
| ModBase | Search... |
Protein-protein interaction databases | |
| STRING | 9606.ENSP00000277491. |
PTM databases | |
| PhosphoSite | Q8NDA2. |
Polymorphism databases | |
| DMDM | 298351848. |
Proteomic databases | |
| PaxDb | Q8NDA2. |
| PRIDE | Q8NDA2. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000302481; ENSP00000305590; ENSG00000148357. ENST00000597795; ENSP00000472503; ENSG00000269324. |
Organism-specific databases | |
| GeneCards | GC09P133029. GC09P133274. |
| H-InvDB | HIX0008467. |
| HGNC | HGNC:21293. HMCN2. |
| HPA | HPA053903. |
| neXtProt | NX_Q8NDA2. |
| PharmGKB | PA142671680. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | NOG12793. |
| HOGENOM | HOG000172035. |
| HOVERGEN | HBG073398. |
Gene expression databases | |
| ArrayExpress | Q8NDA2. |
| Bgee | Q8NDA2. |
Family and domain databases | |
| Gene3D | 2.40.155.10. 1 hit. 2.60.40.10. 42 hits. |
| InterPro | IPR026823. cEGF. IPR000742. EG-like_dom. IPR001881. EGF-like_Ca-bd. IPR013032. EGF-like_CS. IPR000152. EGF-type_Asp/Asn_hydroxyl_site. IPR018097. EGF_Ca-bd_CS. IPR006605. G2_nidogen/fibulin_G2F. IPR009017. GFP. IPR023413. GFP_like. IPR009030. Growth_fac_rcpt. IPR007110. Ig-like_dom. IPR013783. Ig-like_fold. IPR013098. Ig_I-set. IPR003599. Ig_sub. IPR003598. Ig_sub2. IPR002035. VWF_A. [Graphical view] |
| Pfam | PF12662. cEGF. 1 hit. PF07645. EGF_CA. 4 hits. PF07474. G2F. 1 hit. PF07679. I-set. 39 hits. [Graphical view] |
| SMART | SM00179. EGF_CA. 6 hits. SM00409. IG. 2 hits. SM00408. IGc2. 40 hits. SM00327. VWA. 1 hit. [Graphical view] |
| SUPFAM | SSF54511. GFP_like. 1 hit. SSF57184. Grow_fac_recept. 1 hit. |
| PROSITE | PS00010. ASX_HYDROXYL. 3 hits. PS00022. EGF_1. False negative. PS01186. EGF_2. 3 hits. PS50026. EGF_3. 5 hits. PS01187. EGF_CA. 5 hits. PS50835. IG_LIKE. 40 hits. PS50993. NIDOGEN_G2. 1 hit. PS50234. VWFA. False negative. [Graphical view] |
| ProtoNet | Search... |
Entry information
| Entry name | HMCN2_HUMAN | ||||||||
| Accession | Primary (citable) accession number: Q8NDA2 Secondary accession number(s): Q8N225, Q8TCI8 | ||||||||
| Entry history |
| ||||||||
| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Human chromosome 9 Human chromosome 9: entries, gene names and cross-references to MIM |
| SIMILARITY comments Index of protein domains and families |

Clusters with
