{"cik":"0001390978","entityType":"operating","sic":"6189","sicDescription":"Asset-Backed Securities","ownerOrg":null,"insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"Merrill Lynch Mortgage Backed Securities Trust, Series 2007-1","tickers":[],"exchanges":[],"ein":null,"lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1228","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"WORLD FINANCIAL CTR N TOWER","street2":"250 VESEY ST 10TH FL","city":"NEW YORK","stateOrCountry":"NY","zipCode":"10281-1310","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"4LD FINANCIAL CENTER FLOOR 10","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10281-1310","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"2124491000","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001056404-08-000991","0001056404-08-000575","0001056404-08-000066","0001056404-07-003837","0001056404-07-003493","0001056404-07-003141","0001056404-07-002893","0001056404-07-002799","0001056404-07-002501","0001056404-07-002264","0000950123-07-008415","0001056404-07-001998","0001056404-07-001833","0000950123-07-005407","0000950123-07-004774","0000950123-07-004746","0000950123-07-002730","0000950123-07-002678"],"filingDate":["2008-03-28","2008-01-28","2008-01-04","2007-12-03","2007-11-05","2007-10-04","2007-09-07","2007-09-05","2007-08-02","2007-07-03","2007-06-07","2007-06-05","2007-05-04","2007-04-13","2007-03-30","2007-03-30","2007-02-26","2007-02-26"],"reportDate":["2007-12-31","","2007-12-26","2007-11-26","2007-10-25","2007-09-25","2007-09-01","2007-08-27","2007-07-25","2007-06-25","2007-06-01","2007-05-25","2007-04-25","2007-03-30","","2007-03-30","",""],"acceptanceDateTime":["2008-03-28T18:45:25.000Z","2008-01-28T20:57:24.000Z","2008-01-04T15:23:52.000Z","2007-12-03T20:30:58.000Z","2007-11-05T21:00:57.000Z","2007-10-03T21:57:30.000Z","2007-09-07T15:40:33.000Z","2007-09-05T18:25:42.000Z","2007-08-02T21:13:33.000Z","2007-07-03T14:24:10.000Z","2007-06-07T20:54:35.000Z","2007-06-05T21:12:16.000Z","2007-05-04T14:18:23.000Z","2007-04-13T18:14:12.000Z","2007-03-30T21:18:20.000Z","2007-03-30T17:45:36.000Z","2007-02-26T20:50:20.000Z","2007-02-24T00:23:50.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","33","34","34","34"],"form":["10-K","15-15D","10-D","10-D","10-D","10-D","8-K","10-D","10-D","10-D","8-K","10-D","10-D","8-K","424B5","8-K","FWP","FWP"],"fileNumber":["333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47","333-130545-47"],"filmNumber":["08718654","08554078","08509579","071280554","071213983","071154839","071104730","071099409","071021338","07957903","07907350","07901794","07818289","07765442","07734211","07731388","07649214","07647332"],"items":["","","","","","","6.02","","","","6.02,9.01","","","8.01,9.01","","8.01,9.01","",""],"core_type":["10-K","15-15D","10-D","10-D","10-D","10-D","8-K","10-D","10-D","10-D","8-K","10-D","10-D","8-K","424B5","8-K","FWP","FWP"],"size":[190005,4420,100380,97712,96498,95794,4880,94050,93611,91544,429751,90768,89500,1223879,1117950,13797,732438,931567],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["mlb07001_10k-2007.txt","mlb07001_15-2007.txt","mlb07001_10d-200712.txt","mlb07001_10d-200711.txt","mlb07001_10d-200710.txt","mlb07001_10d-200709.txt","mlb07001_8k-20070901.txt","mlb07001_10d-200708.txt","mlb07001_10d-200707.txt","mlb07001_10d-200706.txt","x35873e8vk.txt","mlb07001_10d-200705.txt","mlb07001_10d-200704.txt","x30897be8vk.txt","y30897b5e424b5.txt","x30897e8vk.txt","y30897fpfwp.txt","y30897fwp.txt"],"primaryDocDescription":["","","","","","","","","","","FORM 8-K","","","FORM 8-K","FILED PURSUANT TO RULE 424(B)(5)","FORM 8-K","FREE WRITING PROSPECTUS","FREE WRITING PROSPECTUS"]},"files":[]}}